A. Circle the correct form.

(Khoanh tròn đúng mẫu)

1. Many animals become / will become extinct if we don't protect / will protect them.

2. If we recycle / are going to recycle more, there is / is going to be less trash.

3. Wild animals lose / will lose their habitat if we build / will build factories outside the city.

4. More species disappear / will disappear if we continue / will continue to pollute the oceans.

5. What happen / will happen if future generations don't save / will save the environment?

Answer:

1. Many animals will become extinct if we don't protect them.

2. If we recycle more, there will be less trash.

3. Wild animals will lose their habitat if we build factories outside the city.

4. More species will disappear if we continue to pollute the oceans.

5. What will happen if future generations don't save the environment?

B. Write the correct form of the verbs in the box.

(Viết dạng đúng của động từ trong hộp)

be change have help increase

protect stop take care understand use

1. If you ___________ using plastic bags for your shopping, you ___________ the environment.

2. The climate ___________ more if temperatures ___________.

3. If more people ___________ transportation, there ___________ less traffic in the city.

4. Our children ___________ a better future if we ___________ of the planet now.

5. lf our children ___________ conversation, they ___________ nature for the future.

Answer:

1. If you stop using plastic bags for your shopping, you help the environment.

2. The climate will change more if temperatures increase.

3. If more people use transportation, there will be less traffic in the city.

4. Our children will have a better future if we take care of the planet now.

5. If our children understand conservation, they will protect nature for the future.

C. Use the words given to make complete sentences. You may change or add some words if necessary.

(Sử dụng các từ đã cho để tạo thành các câu hoàn chỉnh. Bạn có thể thay đổi hoặc thêm một số từ nếu cần thiết)

1. center / seem / too / small / keep / all those orphaned animals

The center seems too small to keep all those orphaned animals.

2. noise pollution / remain / serious / problem / big cities / these days

3. many conservationists / feel / interested / education program

4. presenter / talk / enthusiastic / her project / environmental protection

5. that animal / look / bad / injured / yesterday

6. some animals / can recover / injuries / quick / others

Answer:

1. The center seems too small to keep all those orphaned animals.

2. Noise pollution remains a serious problem in big cities these days.

3. Many conservationists feel interested in education programs.

4. The presenter talked enthusiastically about her project on environmental protection.

5. That animal looked bad, injured yesterday.

6. Some animals can recover from injuries quickly, others cannot.

D. Which sentences in C contain a linking verb? Write the number of the sentence.

(Những câu nào trong C chứa một động từ liên kết? Viết số của câu)

Answer:

The sentences that contain a linking verb are:

• The center seems too small to keep all those orphaned animals.

• The presenter talked enthusiastically about her project on environmental protection.