He had taught himself ____lessons on nuclear science in his senior school before he went to Beijing University.

A. advanced B. promoting　 C. progress　　 D. process

Having a trip is good for the old couple, but it remains _______whether they enjoy it.

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

---I'm sorry, but there's no smoking room in this section on the train.

　 ---Oh, I _____ that, and I won't smoke again.

　　A.don't know 　　B.won't know 　　C.didn't know 　　D.haven't known

A person _____ e-mail account is full won’t be able to send or receive any e-mails.

A. who　　 B. whom　　 C. whose　　 D. whoever

___where to go , he asked a policeman.
A. Having lost his way and not knowing
B. Losing his way and didn't know
C. Having lost his way and didn't know
D. Lost his way and didn't know

The English spoken in the United States is only slightly different from　　　　 spoken in

England.?

A.which　　　　　　 B.what　　　　　 C.that　　　　　 D.the one

- Each of the students, working hard at his or her lessons, _________ to go to college.

　 - So do I.

　 A. hope　　　 B. hopes　　 C. is hoping　　 D. are hoping

Prices of daily goods _____through a computer can be lower than store prices.

A. are bought　　　 B. bought　 　　　 C. been bought　　 D. buying　

—Would you care for a drink?

—No，thanks.I ________.

A．would rather not 　　　 B．wouldn't like to

C．would like to 　　　　　　 D．prefer to have one

----- We haven’t heard from Jane for a long time. ----- What do you suppose ______ to her?

　 A. was happening 　 B. to happen　　

　 C. has happened 　 D. having happened