| How I wish I _____ have a long holiday, doing things that I like. |
A. can B. could C. be able to D. am able to |
| ____ the computer competition quite well, he won the first prize. |
A. Preparing B. Having prepared C. To prepare D. Prepared |
| Such a problem still exists because no adequate measures for preventing it _____ taken in the past. |
A. are B. had C. were D. had been. |
| Ever since the financial crisis _____, many workers _____ from their jobs. |
A. broke out; were laid off B. has broken out; were laid off C. had broken out; had been laid off D. broke out; have been laid off |
| They went on well at first but eventually everything _____ they had worried about happened. |
A. which B. what C. that D. when |
| ______ the serious sandstorms that have hit the city recently, the quality of the air in Beijing is very poor. |
A. Apart from B. Due to C. Instead of D. Thanks to |
| By the time he arrived in Beijing, we _____ there for two days. |
A. will have stayed B. stay C. have been staying D. had stayed |
| What worried the child most was ______ to visit his brother n hospital. |
A. his not being allowed B. his not allowing C. his being not allowed D. having not been allowed |