A. Write the passive form of the verbs from the box.

(Viết dạng bị động của các động từ trong hộp)

recycle reduce reuse teach throw away

These days, people think more carefully about what they throw away at home. For example, coffee cups and cloth bags (1) _____________ and glass bottles, cans, and cardboard (2) __________ Thanks to this, fewer things (3) _____________ and the amount of trash (4) ____________. People are beginning to change their habits, and it is important that children (5) __________ think about these things.

Answer:

These days, people think more carefully about what they throw away at home. For example, coffee cups and cloth bags (1) are reused and glass bottles, cans, and cardboard (2) are recycled. Thanks to this, fewer things (3) are thrown away and the amount of trash (4) is reduced. People are beginning to change their habits, and it is important that children (5) are taught to think about these things.

B. Read the sentences and cross out the by phrases when they are not necessary.

(Đọc các câu và gạch bỏ các cụm từ không cần thiết)

1. Energy is produced by the solar panels on top of our house.

2. In many countries, a lot of food is wasted by people.

3. Our notebooks are made from recycled paper by factory workers.

4. Eco-friendly cars are powered by electricity, not gasoline.

Answer:

1. Energy is produced by the solar panels.

2. In many countries, a lot of food is wasted.

3. Our notebooks are made from recycled paper.

4. Eco-friendly cars are powered by electricity.