1. Complete the words in the sentences.

(Hoàn thành các từ trong câu.)

1. Local residents have complained about plans to build a new f_ _ _ _ _ _ in the area.

2. After the fire, there was a lot of thick s_ _ _ _ in the air.

3. This new green car will p_ _ _ _ _ _ environment less than traditional petrol cars.

4. There was very little rain this summer, which d_ _ _ _ _ _ lots of plants in the area.

5. This is a modern p_ _ _ _ _ s_ _ _ _ _ _ where they also sell green fuels for cars.

2. Choose a word from A and a word from B to complete the sentences.

(Chọn một từ trong phần A và một từ trong phần B để hoàn thành câu.)

1. I can't believe how much stuff people _______! We need to recycle as much as we can.

2. The World Wildlife Fund (WWF) is an organisation which works to protect _______.

3. Many scientists now agree that _______ is the biggest problem in the world today.

4. My parents use _______ every day to go to work and I ride my bike to school.

5. Costa Rica used 99 percent _______ in 2015.

3. Complete the text with the Past Perfect form of the verbs below.

(Hoàn thành đoạn văn bằng dạng Quá khứ hoàn thành của các động từ bên dưới.)

On Sunday evening I was very tired because I (1) _______ five that morning! My friends (2) _______ to clean up the litter and I (3) _______ there, we realised there (4) _______ at a trip to the park for it. When we got a huge party there the night before because it was an absolute mess! We couldn't believe what those people (5)_______ to our park. They (6) _______ hundreds of aluminium cans on the ground and there were plastic bags everywhere. By the time we finished, we (7) _______ over fifty bags of rubbish!

4. Circle the best option.

(Khoanh tròn phương án tốt nhất.)

1. I have no idea where/who/what/when to talk to to solve this problem.

2. I'm new to this area so villagers told me when/how/where/who to clean up the river. There are four steps in the process.

3. Nga isn't sure what/when/where/how much she can support to protect the environment.

4. Do you have any ideas how/what/when/ where to do to recycle this bottle?

5. The driver didn't know whether/what/ when/how to call the police or not.

5. Use the prompts to write sentences.

(Sử dụng gợi ý để viết câu.)

1. It/important / raise people's awareness / air pollution.

_____________________________________________________________________________.

2. It/of great importance / avoid / single-use plastics / daily life.

_____________________________________________________________________________.

3. It/crucial/families / repurpose plastic items.

_____________________________________________________________________________.

4. It/vital/send plastic items / recycling centres.

_____________________________________________________________________________.

5. It/crucial/that/ families / use / recycling bin/their houses.

_____________________________________________________________________________.

6. Complete the dialogues with one word in each gap.

(Hoàn thành đoạn hội thoại bằng cách điền một từ vào mỗi chỗ trống.)

1.

A: I don't think climate change is real.

B: I _______ disagree!

2.

A: This environmental project is brilliant.

B: You can _______ that again!

3.

A: I don't think this is going to work.

B: Really? I don't _______.

4.

A: I think our idea is going to work.

B: Yes, I suppose _______.

5.

A: I think everyone can do more to protect the environment.

B: I'm not so _______ about that.