They set out on a daring space ___________(冒险经历)

Along with the letter was his promise ______ he would visit me this coming Christmas.

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

An exhibition of paintings　　 at the museum next week.

A.are to be held　　　 B.are holding　　 C.is holding D.is to be held

When and where to build the new factory _________ yet.

A. is not decided

B. are not decided

C. has not decided

D. have not decided

--Does your brother serve in the army?
--No, not now. But he ________ in the army for 8 years.
A. would serve    B. served     C. had served     D. was serving

After Wang Ping’s mother flashed a switch, a table and chairs rose from under the floor ______ by magic.

　 A. as if　 B. as though　 C. as well as　 D. as long as

______ more attention, the trees could have grown better.

A. Given　　　 B. To give　　

C. Giving　　　 D. Having given

The economic sanctions (制裁) could not prevent the d ________ of that country.

—I played basketball for a whole morning yesterday and felt pretty good.

—You will be healthier if you exercise more　　 .

　 A．regularly　 B．extremely　 C．fluently　　 D．annually

The meeting was put off, _______ was exactly _______ we wanted．
    A. it; that           B. as; that
C. which; what          D. which; which