—I am wondering if we could go boating on the weekend.

—It      a good idea.

A. sound            B. sounded            C. sounding         D. sounds

 —Let Mr. Stephen in, please? He          me.

—Yes, Sir. In the meeting room.

A. is expecting     B. has expected     C. expected       D. was expecting

 My mind wasn’t on what he  so I’m afraid I missed half of it.

A. was saying       B. had said           C. would say        D. has said

 Mom, have a rest please. You  _______ in the kitchen ever since you came home.

A. had worked       B. were working       C. have been working      D. would work

 I got caught in the rain and my suit____.

A. has ruined       B. had ruined         C. has been ruined  D. had been ruined

 —Tom，would you please come and help us with the computer at the meeting tomorrow?

  一I am sorry, but I then.

A. would have class               B. will be having class

C. was going to have class        D. am about to have class

 The telephone _______, but by the time I got indoors, it stopped.

A. had rung        B. was ringing        C. rings             D. has rung

 What do you think the children when we get home?

A. are doing       B. will be doing      C. do                D. have d6ne

 —Betty promised me to come round to keep you company today.

  — But she _______. I’ve been alone all day.

A. won't           B. hadn't             C. hasn't            D. doesn't

 Sales of CDs have greatly increased since the early 1990s, when people _____to enjoy the advantages of this new technology.

A. begin           B. began             C. have begun      D. had begun