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

15、― I’m not the man ________the phone. She asked for Henry.
― I’m sorry I was mistaken.
  A. called on   B. calling over  C. wanted on   D. rung up on

14、If Bush ________his sister to attend the party, she will certainly be glad. She hasn’t met Bush for years.
  A. allows    B. promises   C. demands    D. suggests

13、― Do you still remember when we went to Nanjing?
― I can't remember now but ________sometime last summer?
  A. might it be                  B. could it be
  C. could it have been       D. should it have been

12、I think this shirt fits you. You can try it on if you ________.
  A. are like    B. like to    C. like      D. have liked

11、― Would you like me to get you an English dictionary while I’m there?
― ________. Thank you, anyway.
  A. But I have already got one    B. What a nice dictionary
  C. But I have already got it       D. Yes, please