3. Read the Learn this! box. Find all the past simple forms in the text in exercise 2. Match them with rules a-d in the Learn this! box.

(Đọc hộp Learn this!. Tìm tất cả các thể quá khứ trong bài đọc ở bài 2. Nối chúng với các quy tắc trong hộp.)

3. Match the verbs with the nouns to make phrases in 1.

(Ghép các động từ với danh từ để tạo thành các cụm từ trong bài 1.)

2. Complete the sentences using the correct form of the words and phrases in 1.

(Hoàn thành các câu sử dụng dạng đúng của các từ và cụm từ ở bài 1.)

1. ______ is important because plants and animals depend on each other to survive.

2. A new series of educational programmes shows the importance of ______ to humans.

3. Their work involves protecting and creating natural ______ for plants and animals.

4. Countries need to work together to deal with global issues such as deforestation and ______.

5. Pollution can have serious effects on the balance of ______.

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.

2. Do the crossword. Use the words you have learnt in this unit.

(Hoàn thành ô chữ. Sử dụng những từ bạn đã học trong bài này.)

1. A _______ teacher works with small children to prepare them for school.

2. Job adverts should not mention their ideal candidate’s _______.

3. A very experienced _______ was able to rebuild his nose after the accident.

4. Boys and girls should have _______ opportunities in education.

5. Parents should not _______ boys differently from girls.

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. Complete the following sentences. Use the words in the box.

(Hoàn thành các câu sau. Sử dụng các từ trong hộp.)

1. Our country has become one of the most ______ destinations for foreign tourists in the region.

2. Various _________ exchanges help visitors know more about our country.

3. Greater educational opportunities abroad are now _______ Vietnamese students.

4. It is also ________ for Vietnamese people to travel abroad.

5. Viet Nam’s colleges and universities can also accept _________ students.

6. Vietnamese people have a better chance of ________ different cultures.

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

(Hoàn thành các câu sau bằng cách sử dụng các dạng đúng của các từ trong Bài 1.)

1. He is very __________. He is always willing to give a lot of money to charity.

2. The school is difficult to get to because it is located in a _______ аrеа.

3. If you don't have time to volunteer, you can________money and food.

4. This clean water project will ________the people in the village.

5. Our club needs more ______to clean up the park at the weekend.

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.