Students should involve themselves in community activities ___________ they can gain experience for growth.

A. whoB. when

C. whichD. where

It’s surprising that your brother __________ some knowledge of the computer just by watching others working on it.

A. picked upB. packed up

C. put upD. made up

— __________ do you call up your parents?

— Mostly once a week, but this week I haven’t done that, because I’ll go back this weekend.

A. How longB. How far

C. How oftenD. How soon

I have been told that the pen as well as the books __________ him.

A. belongs toB. is belonged to

C. are belonged toD. belong to

There is n’t any difference between the two.I really don’t know __________.

Ａ.what to chooseB. which to choose

C. to choose whatD. to choose which

College students should be encouraged to use _____ Internet as _____ resource when planning a term paper.

A. the; a B. /; the

C. the; the D. a; a

After the equipment was introduced; they produced_______ machines this year as the year before.

A. as twice many B. as many twice

C. twice as many D. twice many as

—Could I borrow your camera tomorrow?

—I don’t think you need it, because visitors ______ to take photos there.

A. aren’t allowed B. don’t allow

C. haven’t allowed D. hadn’t been allowed

She often helps the students __ ___ she thinks are not good at English.

A. whom B. which C. who D. when

He could hardly afford time and money on such an overseas vacation.

A. spending B. to spend C. spend D. spent