15. It is the first time that Martin has been to the South Pole, ________?

A. isn’t he 　　　　　　B. hasn’t he　　　　　 C. isn’t it　　　　 D. hasn’t it

14. If it _____ for the heavy rain then, we would have arrived here ahead of time.

A. shouldn’t be　　　　　　 　 B. weren’t 　　　　　 C. had not been　　　　　　 D. be not

13. We should protect the environment, for plenty of fresh air ________ to good health.

A. adjust　　 　　　　　B. contributes　　 　　C. distributes　　 　　　D. appeals

12.By the time you arrive home, I ____ ,so please don’t make any noise when you come in．

A．have been sleeping　 　 B．would have slept　 　　 C．had slept　 　　 D．shall be sleeping

11.-----What upsets him?

-----_____ his computer is out of order．

A．Whether　 　　　　 B．What 　　　　 C．That　　　 　　　　　　 D．How

10.As we all know, Britain’s Prince William and Kate Middleton got married in April in Westminster Abbey , ______ Princess Diana’s funeral was held．

A．when　　　　　 　　 B．which　　 　　 　C．where　　　　 　 D．as

9.______, but he insisted that he _____ to school ．

A．Though he was ill , went　　　 　　　　 B．He was ill, go

C．Having been ill, should go　　 　　 　　D．Having been ill , went

8. Not until _______ home _______ her appointment with the doctor.

A. she arrived; did she remember　　　　 B. did she arrive; that she remember

C. she arrived; when she remembered　　 D. did she arrive; had she remembered