Don’t be joking. It’s time to ______ your business.

　 A. set out 　 B. take up

　 C. go on 　 D. get down

-- Helen couldn't go to France after all. --That's too bad, I'm sure she would have enjoyed it if ___.

A. she's gone B. she'll go C. she'd gone D. she'd go

Nowadays many people in Africa suffer from s________ because of war.

It was five o’clock in the afternoon _____ they climbed up to the top of the mountain.

　 A. since 　 B. when　 C. That 　 D. until

Tom，you　　　　 leave all your clothes on the floor like this!

A.wouldn’t　　　　　　 B.mustn’t?　　　　　

C.needn’t　　　 D.may not

- Do you feel like going on picnic this weekend?

-- ______. I was thinking about how to relax myself.

A. I believe not B. Not reallyC. I couldn't agree more D. What a pity

By the time he realizes he________into a trap，it’ll be too late for him to do anything about it.

A．walks　　　　　　　　 B．walked

C．has walked 　　　　 D．had walked

Have you any experience that you would like to share _____ the group?
   A. between  B. in     C. with    D. among

Someone is ringing the doorbell. Go and see ______.

A. who is he　　　　　　　　 B. who he is

C. who is it　　　　　　　　 D. who it is

Mr. Smith 　　me to buy several 　　 eggs for the dinner.

A、asked;dozen　 B、suggested;dozens of　　 C、had;doaen　　 D、persuaded;dozens