323. The taxi driver often reminds passengers to _______their belongs when theyleave the car.

　 A. keep　　　　　 B. catch　　　　　 C. hold　　　　　 D. take

322. Boris has brains. In fact , I doubt whether anyone in the class has______IQ.

　 A. a high　　　　　 B. a higher　　　　　 C. the higher　　　　　 D. the highest

321. Jumping out of______airplane at ten thousand feet is quite ________exciting experience.

　A. 不填; the　　　　　　 B. 不填; an　　　　　　 C. an; an　　　　　 D. the ; the

320. ------Is John coming by train?

　 -----He should, but he______not. He likes driving his car.

　A. must　　　　　 B. can　　　　　 C. need　　　　　 D. may

319. The mother didn`t know_____to blame for the broken glass as it happened while she was out.

　 A. who　　　　　　　 B. when　　　　　　　 C. how　　　　　　 D. what

318. ------You haven`t said a word about my new coat, Brenda. Do you like it?

　 ------I`m sorry I ______anything about it sooner. I certainly think it`s pretty on you.

　 A wasn`t saying　　　　 B. don`t say　　　　 C. won`t say　　　　　 D. didn`t say

317. Excuse me for breaking in,______ I have some news for you.

　 A. so　　　　 B. and　　　　　 C. but　　　　 D. yet

316. ------I`m taking my driving test tomorrow.

　 　------_______!

　A. Cheers.　　　 B. Good luck　　　　　 C. Come on　　　　 D. Congratulations

315.____such heavy pollution already,it may now be too late to clean up the river.

A.Having suffered 　　B.Suffering 　　C.To suffer 　D.Sufffered

314.________is known to everybody,the moon travels round the earth once every month.

　A.It 　　B.As 　　C.That 　　D.What