Personal computers ______ in 1976. It has changed the whole world.
A.have invented | B.were invented |
C.is invented | D.invented |
—I think the man over there must be Bob.
—It ______ be him. He has gone to Paris.
A.can’t | B.can | C.may not | D.mustn’t |
You may go to play football as soon as your homework ______________.
A.finishes B. will be finished C. is finished
–Did you go to Jack’s birthday party?
-- No, I ________.
A.am not invited | B.wasn’t invited |
C.haven’t invited | D.didn’t invite |
You ______ to the meeting this afternoon if you have something important to do.
A.needn’t to come | B.don’t need to come |
C.needn’t coming | D.didn’t need coming |
The young trees should______ as often as possible.
A.take care of | B.be take care of |
C.be taken care of | D.be taken care |
---Look!It _______ be Mr Zhang .
---No,it _______ be Mr Zhang. He has gone to Paris .
A.must, can’t | B.must , may |
C.may ,mustn’t | D.can , may not |
The young man was often seen _____ by the lake.
A.to draw | B.to drawing | C.draw | D.drew |
I’d rather ________ than _________
A.watch TV, go to the cinema |
B.watching TV, going to the cinema |
C.to watch TV, go to the cinema |
D.watch TV, to go to the cinema |
—Professor Wang ______ to give us a talk next week.
—Really? That’s good news.
A.will invite | B.is going to invite | C.will be invited | D.has invited |
-How clean and tidy your bedroom is!
-Thank you. It ________ every day:
A.cleans | B.is cleaned | C.was cleaned | D.is cleaning |
If I went to the moon, I ______ bring something unusual back to the earth.
A.could |
B.will |
C.would |
D.shall |
—How much shall I pay for the telephone call?
—You _____. It's free.
A.mustn't |
B.shouldn't |
C.don't have to |
D.can't |
—Computer is so useful. It can do almost everything.
—Yes, but it ______ what to do.
A.will tell |
B.has known |
C.must be told |
D.is told |