17. It is said that President Bush will be _____ tonight at ten o'clock, giving a speech about fighting against terrorism.

　　 A. in the air　　　 B. on the air　　 C. in air　　　　　 D. on air

16. The latest _____ in women's clothes indicate that people now care more about being comfortable.

　　 A. tracks　　　 B. signs　　　　 C. directions　 D. trends

15.The electricity was cut off because of the storm. Luckily we had plenty of candles ______ store.

　 A. in　　　　　 B. at　　　　 C. for　　　　　 D. with

14. Many companies and consumers have already begun reforming the way _____ they do business.

　 A. how　　　　 B. of which　　　　 C. in that　　　　 D. /

13. It looks as if time hadn’t had any effect on him: he ___ so healthy and active.

　 A. remained　　 B. was remained　 C, were remaining　 D. had remained

12. Having a trip abroad is certainly good for the old couple,but it remains　　　　　　　　 whether they will enjoy it.

　　 A.to see　　 　　 B.to be seen　 　 C.seeing　　 　　　 D.seen

11. It isn’t quite _______ that the director will be present at eh meeting tomorrow.

　 A. sure　　　　 B. right　　　 C. certain　　　　 D. exact

10. The student came to school late ______, which made his teacher a bit angry.

　 A. as usually　　 B. as usual　　　 C. like usually　　 D. like usual.

9. When I left the hotel, I _______ a glimpse of a man walking slowly past the window.

　 A. caught　　　 B. took　　　　 C. made　　　　 D. gave

8. I've got to make　 　　　　　he told a lie.

　A. that clear　　　　　 B. it clear that　　　　　　 C. quite clear　　　　　　 D. this clear that