1 . ________hard,________you will succeed sooner or later.

A．Working; so

B．Work;and

C．To work;but

D．Worked; and

2 . ________, I think, and the problems could be settled.

A．If you double your efforts

B．So long as you keep up your spirits

C．Making greater efforts

D．A bit more efforts

3 . ________ down the radio—the baby’s asleep in the next room.

A．Turning

B．To turn

C．Turned

D．Turn

4 . It’s a fine day. Let’s go fishing, ________?

A．won’t you

B．will you

C．don’t we

D．shall we

5 . I told you that you shouldn't waste your time playing the computer games,_____________?

A．didn't I

B．did I

C．should you

D．shouldn't you

6 . -- I didn't realize how popular the restaurant was until I made a reservation the other day.
-- I beg your pardon, but when __________?

A．was you realized it

B．it was that you realized it

C．you realized it

D．was it that you realized it

7 . I’m certain you’d rather she was opposed to my proposal,______

A．aren’t I

B．wasn’t she

C．wouldn’t you

D．hadn’t you

8 . It was not until the 18th century that man realized that the whole of the brain was involved in the working of the mind，　　　　？

A．was it

B．wasn’t it

C．did they

D．didn’t they