— I want to know if I smoke here.
— No, you . Could you see the sign “NO SMOKING” there?
A.can; needn’t | B.must; can’t | C.shall; won’t | D.may; mustn’t |
We used to work in the same office and we _________ have coffee together.
A.would | B.should | C.could | D.might |
_____ all the inventions have in common is ______ they have succeeded.
A.What; what | B.That; what | C.What; that | D.That; that |
The new machine,if _________ properly,will work at least ten years.
A.use | B.using | C.being used | D.used |
—What were you doing when the telephone rang?
—I ______ away my books and ______ to bed.
A.had just put;was going | B.was just putting;went |
C.just put;had gone | D.have just put;gone |
I thought Jim would say something about his school report,but he ______ it.
A.doesn’t mention | B.hadn’t mentioned | C.didn’t mention | D.hasn’t mentioned |