We are living in the modern world and we have to face serious problems about the environment. One of the prominent problems is air pollution. 2020 is an alarming year for heavy air pollution. Hanoi and Ho Chi Minh City- the 2 big cities, the problem of air pollution is even more clear. Industries in Vietnam are growing day by day, leading to untreated exhaust gas being discharged. This is the main cause of air pollution. In addition, the causes of air pollution can be mentioned such as traffic, military activities, agricultural activities, etc. Air pollution directly affects the health of humans and animals. As an indirect cause leading to global warming, it is a direct cause of dangerous human diseases such as respiratory tract cancer.  To sum up, human activities and natural disasters are the main causes of air pollution. We have to take measures to protect the environment properly.

Chào em, ở câu hỏi của em, lời giải đáp của cô dành cho em như sau:

et cetera (etc.) hay so on là các từ đều có hàm ý cho người đọc là vẫn còn bao gồm các thành phần khác giống như thế, hay đơn giản là "vân vân".

Tuy nhiên, trong văn viết, đặc biệt là văn phong học thuật - academic writing hay các bài essa quan trọng, thì chúng ta không nên dùng các cụm từ này.

Lý do là văn viết trong tiếng Anh nó là 1 loại hình yêu cầu sự càng rõ ràng càng cụ thể càng tốt, trong khi đó các (cụm) từ này lại có hàm ý là người đọc đã biết những thứ đó rồi. Có người gọi cách viết này là cách viết lười - lazy expression.

Thay vì dùng chúng thì em có thể sử dụng cách viết khác thay thế cho chúng, ví dụ như "and other similar things",... 

Chúc em học tốt và có những trải nghiệm tuyệt vời tại hoc24.vn!

Nowadays, air pollution is a common concern worldwide. It is a cause of damage to the environment and health. Some air pollution comes from natural sources like wild fires => wildfires (1 word only), volcanic eruptions, and so on. But most air pollution from humans such as industrial chemicals, dust, toxic gases which result in climate change, global warming, acid rain and can affect human health. In Vietnam, especially in big cities like Hanoi and Ho Chi Minh city, the total amount of dust is continually increasing. The sources of air pollution is => in (preposition) large urban areas are mostly traffic emissions, road building, and factories. Air pollution is a cause of high blood pressure, birth defects, lung cancer, and others. To protect the air environment we should: 

- Reduce emissions from cars by walking, cycling, or using public transport.

- Plant trees as more as we can.

- Protect natural resources.

- Keep a clean environment.

It is very important to reduce air pollution. When we protect the air environment, we are protecting ourselves and our future.

Hi Nhan, after reading your writing, I have some comments for you.

- Task: A very good attempt at task, including all required content in full with little no digression. Generally coherent, or requiring no effort by the reader.

- Language: Reasonable control of language and linking of sentences. Language is ambitious but with some errors, although the errors do not generally impede communication.

E.g: In addition, the causes of air pollution can be mentioned such as traffic, military activities, agricultural activities, etc. 

The phrase In addition may be wordy.

Using a long-phrase when a shorter one (or even a single word) will suffice can contribute to wordiness or vagueness. Though a sentence may be grammatically correct, writing more concisely is often a better choice. Consider your reader and context to make a determination.

This phrase can be better changed into Also or Besides.

Wish you study well and have great experiences at hoc24.vn! 

The problems with pollution in the nearly that have become so serious. I think the major cause of this phenomenon is our human activity. This is a hot topic not only in Vietnam but for all countries around the world. Because it was damage to the environment and health. Moreover, we have only one Earth to live in. So how we improve this bad environmental condition? In this essay, I will suggest some possible solutions to this issue.

First, we need to reduce the number of transports by encouraging the use of public transports. This could be managed through cooperation between governments and individuals. For illustration, governments could ensure that public transport is more affordable and convenient for the general public, then there will many people use this type of transport.

Another solution is to improve our education about environments. I want to say that both parents and schools should teach children about the meaning and importance of protecting the environment. Also, the governments should introduce laws to limit the deforestation in many countries around the world to ensure that there are enough green forests, which helps the air be cleaner. That also means we have to protect natural resources, we need to limit the overexploitation and indiscriminate exploitation of natural resources. In addition, we have to limit littering indiscriminately, which discharged into the environment every day.

Finally, let's join together to contribute to making the green environment more beautiful.

cho em hỏi, khi nào ta dùng so on và khi nào dùng etc?

Hi Yen, after reading your writing, I have some comments for you.

- Task: Good attempt at task, covering all the content elements, with some elaboration. There may be some minor repetition or digression, though overall reasonably coherent and requiring minimal effort on the part of the reader.

- Language: Generally good control, and confident use of language. Coherent linking of sentences using simple cohesive devices.

Language includes a range of structures and vocabulary. Language errors may still be present, but they are minor, due to ambition, and do not impede communication.

All your grammatical errors were corrected directly in your writing. Remember to review and correct it next time!

Wish you study well and have great experiences at hoc24.vn! 

Hi tthnew, after reading your writing, I have some comments for you.

- Task: A very good attempt at task, including all required content in full with little no digression. Generally coherent, or requiring no effort by the reader.

- Language: Generally good control, and confident use of language. Coherent linking of sentences using simple cohesive devices.

Language includes a range of structures and vocabulary. Language errors may still be present, but they are minor, due to ambition, and do not impede communication.

Let's have a look at some grammatical mistakes that you made in your writing.

1. Another solution is to improve our education about => in (preposition) environments.

2. Also, the governments => governments (articles) should introduce laws to limit the deforestation => deforestation (articles) in many countries around the world to ensure that there are enough green forests, which helps the air be cleaner.

Also, you should pay more attention to your word choice, incomplete sentences, wordy sentences, and punctuation in compound/complex sentences.

Wish you study well and have great experiences at hoc24.vn! 

Cái chỗ because it was damage chưa ổn

Thứ nhất không thể dùng quá khứ

Thứ 2 damage là động từ k đi kèm với tobe

Sửa: because it damages the environment and health. 

Sửa đúng ngữ pháp là thế nhưng mà cố diễn dãi hay hơn nha

Quanh năm nước chảy đá mòn ngày nào cũng tắm thì còn lồn gì là da... (Tọc)