III. 单项选择（共10小题，计10分）
本题共有10个小题，请从每个小题的四个选项中，选出一个最佳答案。
21. Everyone likes my f ather because is friendly.
A. his B. him C. he D. himself
22. Before you go to Canada, you need to learn more it.
A. form B. in C. by D. about
23. Many city people their bikes to work every day.
A. ride B. will ride C. rode D. have ridden
24. We have done much to protect the environment. So the river is getting than before.
A. dirtier B. dirty C. cleaner D. clean
25. It’s every policeman’s dream to keep people and the traffic in good order.
A. safe B. healthy C. busy D. famous
26. --- Look! What’s on the ground?
--- Oh, it’s my sweater. Please .
A. pick it up B. put it on C. give it out D. take it off
27. you smile at others,they will smile back.
A. Before B. When C. Until D. Though
28. Tourists’ bad behavior by the government in our country from now on.
A. will record B. will be record C. records D. is recorded
29. --- Mum, can you tell me ? I dreamed of him last night.
--- Next week.
A. when my dad comes back B. where my dad goes
C. when my dad will come back D. where my dad will go
30. on the grass, or it will “city”.
A. To walk B. Not to walk C. Walk D. Don’t walk