Put the verbs in brackets in the correct forms.

(Chia dạng đúng các động từ trong ngoặc.)

1. If I (be) ______ you, I (live) ______ with a host family so that I can learn more about the local culture.

2. If we (work) ______ together, we (be) ______ able to reduce the negative impact of tourism on the environment.

3. If we (allow) ______ more people to crowd the city centre, we (have) ______ to deal with environmental pollution in the future.

4. If we (have) ______ enough money, we (go) ______ on an ecotour to Finland. Instead, were staying in Viet Nam in the summer. 

Complete the sentences with who, which, that or whose. You may use more than one relative pronoun in some sentences.

(Hoàn thành các câu who, which, that hoặc whose. Bạn có thể sử dụng nhiều hơn một đại từ quan hệ trong một số câu.)

1. That is the teacher _______ has received an award for excellent teaching.

2. We were invited to attend a talk show _______ is popular with teenagers.

3. Their school, _______ offers both face-to-face and online classes, is the beast in the city.

4. The students _______ names are on the list will join the field trip.

5. Have you finished the project _______ was given by our art teacher?

6. My cousin John, _______ lives in Da Nang, is coming to visit me this weekend.

2. Put the verbs in brackets in the correct forms.

(Hoàn thành các câu sau bằng cách sử dụng nguyên mẫu có to hoặc nguyên mẫu của các động từ trong ngoặc.)

1. If tourists buy local products, more of their money (stay) ______ in the community.

2. If we lived in the countryside, we (grow) ______ our own vegetables.

3. If my grandmother (be) ______ still alive, she (be) ______ a hundred today.

4. If people (give) ______ up flying, they (reduce) ______ their carbon footprint.

3. Choose the correct word to complete each of the following sentences.

(Chọn từ đúng để hoàn thành mỗi câu sau.)

1. We need to be careful / careless when we record the donations.

2. I am interested / interesting in community development activities.

3. There are excited / exciting volunteering opportunities in our community.

4. Last year, I was hopeful/ hopeless at maths. I couldn't even do simple addition in my head.

3. Read the Learn this! box. Complete the rules.(Đọc hộp Learn this! Hoàn thành các quy tắc.)

LEARN THIS! Past simple (negative and interrogative)

a. We form the negative form of the past simple with (1) _____ and the infinitive without to.

I didn’t go out last night.

b. We form the interrogative form of the past simple with (2) _____ and the infinitive without to.

Did Harry text you? Yes, he did. I No, he didn't.

c. We do not use did/ didn't with the verbs (3) _____ or (4) _____

Was Joe late for school? Yes, he was.

Could you read when you were three? No, I couldn't.

1. Match the two parts to make complete sentences.

(Ghép hai phần để tạo thành câu hoàn chỉnh.)

2. Complete the following sentences using the correct forms of the words in bold in 1.

(Hoàn thành các câu sau sử dụng dạng đúng của các từ in đậm ở bài 1.)

1. Joining the WTO has helped Viet Nam _________ its economic growth.

2. Viet Nam _________ foreign investors in various parts of the economy.

3. We _________ to use the donations effectively We have signed an agreement on this.

4. This environmental organisation _________ to protect local forests. It has a detailed plan to achieve this.

5. We need to improve the quality of goods and services so that they can _________ new markets.

1. Read the text. Match the highlighted words with their meanings.

(Đọc văn bản. Nối các từ được làm nổi bật với nghĩa của chúng.)

The more people travel, the bigger impact they may have on the environment. How can we reduce it while travelling? Here are some advice.

Reduce your carbon footprint while travelling. Since flying produces more carbon footprint than any other means of transport, you should only fly when the trip is long. During the trip, you should walk, cycle or use public transport as much as you can. This not only helps to keep the environment clean, but also allows you to enjoy the beauty of nature and interact with local people. 

Choose eco-friendly activities that benefit animals and the ecosystem. Avoid activities that allow you to touch or ride animals because they disturb their natural patterns and attract many people. Instead, visit wildlife parks or organic farms. These will help you understand and respect the nature more and stop doing things that harm the environment.

1. Choose the correct verb form in each of the following sentences.

(Chọn dạng động từ đúng trong mỗi câu sau.)

1. While Lan was working / worked as a volunteer in the countryside, she met an old friend.

2. I was revising for my civics class when my dad was telling / told me about the volunteer Job.

3. We saw many unhappy children while we were helping / helped people in remote areas.

4. He was sorting the donations when he was realising / realised how generous people were.