25、When you play football, what ______ do you play?

   A. situation         B. place            C. part                D. position

24、When you play football, what ______ do you play?

   A. situation         B. place            C. part                D. position

23、---Why weren’t you at the meeting?

---I ______ for a long-distance call from my father in Australia.

   A. waited            B. was waiting     C. had waited          D. have been waiting

22、The highway ______ to the city is under repair now.

   A. leads             B. led             C. to lead              D. leading

21、― Doesn't this bus go to the park?
― ________.
  A. Yes, we do                  B. No, this is as far as we go
  C. You're welcome        D. I 'm very sorry

20、Before the first non-stop flight made in 1949，it       necessary for all planes to land for refueling．

A．had been    B．has been    C．would be  D．would have been

19、You can imagine        one feels        everybody dislikes him．

A．when…if    B．if…when    C．if…h(huán)ow   D．how…if

18、We've published large quantities of books．This year        we've published three million．

A．only      B．just    C．a(chǎn)lone   D．merely

17、       she is not so healthy     she used to be?

    A．How it is that；as     B．Why is it that；what

    C．Is it why；that         D．How is it that；as

16、What a tight volleyball game! We lost it        we all tried our best．

A．because    B．though    C．until    D．unless