1. 选用方框中的短语(并用其适当形式)填空

be good at, hand out, get used to, clean up ,be suitable for, prefer…to… , be responsible for, sign up, graduate from behind schedule

1. （1） I will help the roadside litter whenever possible. I hope my behavior will make a difference.
3. （2） If you want to go by bus, that me.
5. （3） George the accident because he didn't give a signal to other drivers.
7. （4） In the crowded city, my father walking taking a bus.
9. （5） Lucy decided to for yoga classes at last yesterday.
11. （6） The teacher had the monitor the papers.
13. （7） Driving on the left is strange at first but you'll soon it.
15. （8） As far as I'm concerned, she playing the piano.
17. （9） Owing to various delays, we arrived two days.
19. （10） Many boys and girls go to college after high school.