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、These are all ________houses for the homeless.
  A. newly - building        B. newly-builder
  C. new - building           D. newly - built

19、― Were you worried about him last night?
― Yes. It was ________.
  A. until he returned that I went to bed
  B. until be returned that l slept well
  C. not until he returned that I went to bed
  D. not until did he return that I went to sleep

18、Now that he has missed his ________, he’ll have to wait for the next round.
  A. chance    B. turn     C. duty      D. class

17、We’ve always known him ________ a warm but calm character.
  A. for      B. against    C. on      D. as

16、The step you have taken is ________ much risk（冒险）.
  A. one of    B. the one of   C. the one    D. that one