It ____ Tom that parked the car here, as he was the only one with a car.

A. must be　　 B. must have been　 C. may be　　 D. may have been

1.    I wonder what it feels like to be one of ____ really rich. The Brows already have Rolls Royce and now they are buying_____ third.

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

No sooner　　 finished my work　　 the boss come

　 A．had I；when　 B．I had；when　 C．had I；than　 D．I had；when

—How much money do you need to____the trip to Tibet?

—I’m not sure about it，but it will cost at least 2,000 yuan.

A.pay　　　　　　　 B.charge　　　　　　　 C.afford　　　　　 D.cover

--This free gift doesn't look good.

-- _____________, madam, but if you want good quality, you have to pay for it.

A. No problem　　 B. No doubt　　　 　

C. No offence　　 　 D. No way

These goods enjoy growing favour among the _________（顧客）.

People try to avoid public transportation delays by using their own cars, and this ____ creates further problems.

A. in turn 　　 B. on contrary　　　 C. in return 　　　 D. by turns

Seeing everything________， the professor left the lab happily.

A．done 　　　　　 B．did

C．do 　　　　　　 D．doing

She wishes she________still living with her grandmother.

A．is　　　　　　　　　　　　 B．a(chǎn)re

C．was　　　　　　　　　　　　 D．were

The main cause of HIV / AIDS infection in China is drug abuse, ______ is very serious in Yunnan.

A. what　　　　　 　　　　　　　　 B. who　　　 　　 C. that　 D. which