Unit 1 living well Grammar课时作业

（一）单项选择

1 It took us over an hour ___________ along the street.　

A. walk　 B. to walk　 C. walking D. walked

2 I think it a great honour ___________ to visit your country.　

A. to invite B. inviting C. having invited D. to be invited

3 Many people now make ___________ a rule to buy cards for their friends before Christmas.　

A. themselves　 B .it　　　 C. that　 D. this

4 ___________ is very clear to everyone that he is round and tall like a tree.　

A. This　 B. What　 C. That　 　　 D. It

5 In the United States, bus travel doesn't cost much as train travel, ___________ ?　

A. don't they B. does it C. do they D. doesn't it

6 Someone is at the door, who is ___________?　

A. this　 B. that　 C. it　　 D. he

7 ___________ raining hard for three hours without stopping.　

A. It is　 B. It was　 C. It has been　 D. It had been

8 -Has the boy got his bicycle now?　 -Yes, the police gave ___________.　

A. him to him B. it to it　 C. it to him　　 D. him to it

9 Has ___________ been decided when we are to hold the sports-meeting?　

A. that　 B. this C. it　　 D. what

10. -Did Li Lei call me while I was out?　

　　 -Yes, it was ___________ that called you.　

A. him　　 B. he　 C. who　 D. whom

11 Nothing is wrong with the radio, ___________?　

　A. isn't it　 B. is that　 C. is it　 D. isn't that

12 I don't think ___________ difficult for a Chinese student to master a foreign language within five years.

　A. that B. it C. too D. very

13 It's the second time you ___________ late this week.