giải câu bị động

1. 1. The environment is affected by pollution in many ways. 2. People's awareness of environmental issues will be raised by the club's activities. 3. Many more trees were planted by the local people in the neighbourhood last week. 4. The school playground is being cleaned by the students this morning. 5. Around 100 billion plastic bags are used by Americans each year. 6. A green lifestyle is adopted by more and more people. 7. Rubbish is going to be picked up in the central park by us this weekend. 8. A campaign to protect the environment will be organised by the Youth Union. 2. 1. Tea can't be made with cold water. 2. All the workers of the plant were being instructed by the chief engineer. 3. Some of my books have been taken away by somebody. 4. The meeting will be held before May Day. 5. The engine of the car has to be repaired. 6. The window was broken and some pictures were taken away by the boys. 7. A lot of money is spent on advertising every day. 8. This room may be used for the classroom.