7.　　　 　(无轨电车) use electricity as power, which reduces pollution of the air.

6. After you buy something from a shop, you will be given a 　　　　(收据) for your payment.

5. In travelling, the place you want to go to is your d　　 .

4. 200 people, including her only son, got killed in the terrible disaster. I wonder what her r　　 　would be when the news reaches her.

3. The peacock d　　 　its fine tail feathers when it noticed any gay colours.

2. In every city of China, there are bicycle l　 　for bicycle riders.

1. He was punished because he had no driving p　 . He couldn’t continue to drive without permission.

9. on→in10. 去掉it

必修4

Module 2 Traffic Jam

7. √8. 在result前加the　

5. they→we6. Therefore→However