__________ you understand the rule, you will have no further difficulty.

    A. While             B. Once       C. Though     D. Unless

Moreover, __________you may hardly believe, the examiners had decided in advance to fail half the students taking part in the exams.

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

—Which one can I take?

    —-You can take__________ of them; I'll keep none.

     A. both       B. any       C. either       D. all

I feel silly in these clothes. Everyone will___________ me.

A. worry about                  B. make fun of

C. get rid of                   D. take interest in

I'd like to be a professional singer, but I don't think I've got

A. a good voice enough            B. a good enough voice

C. a voice enough good            D. an enough good voice

The young man spent as much time as he _____ over his lessons.

A. went 　　　B. can go 　　C. could going 　D. could to go

— What should I do with this passage?

—_____ the main idea of each paragraph.

A. Finding out    B. Found out    C. Find out        D. To find out

He left home early only______he was late as he went a wrong way.

A. found         B. to find         C. finding         D. being found

I asked him to _____ me a few minutes so that we could go over all the problem.

　 A. spend 　 B. save     C. spare 　 D. share

The result of the experiment was very good, _____ we hadn’t expected

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