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Deserts, dry areas with _____ no vegetation, cover more than one-third of the Earth's land surface.

       A. surprisingly    B. eventually     C. permanently     D. virtually

He offered to _____ her a hand as the suitcase was too heavy for her to carry.

         A. lend         B. help       C. show       D. loan

2. Be careful with such things. If you _____, you’ll drop them.

A. don’t     B. aren’t     C. won’t    D. do

4. ---Will you please spare me a few minutes to accept my interview, Mr Yang Liwei now?

 ---________. But I’ll be free this evening. Would you mind?

A. No, I don’t     B. Yes, with pleasure

C. I’m afraid not   D. Yes, I’d be glad to

It wasn’t until nearly a month later _______ I received the manager’s reply .

A．since  B．when  C．a(chǎn)s  D．that

The taxi drew____outside the house.

A. on           B. up        C. back            D. in

Although this ____ sound like a simple task, great care is needed.

   A. must      B. may    C. shall      D. should

This cake is very sweet. You _____ a lot of sugar in it.

A. should put       B. could have put       C. might put      D. must have put

— Lucy doesn’t mind lending you her dictionary.

— She _______. I’ve already borrowed one.

A. can’t        B. mustn’t       C. needn’t       D. shouldn’t

But for the help you gave me, I _______ the examinations.

A. would have passed                   B. would pass

C. wouldn’t have passed               D. wouldn’t pass