| Thanks to the success of the business, we can _____ a flat this year. |
A. make B. devote C. remove D. afford |
| Experts are trying to work out a solution to save the miners _____ its too late. |
A. before B. since C. unless D. when |
| In my view, biology is _____ chemistry, but a little easier than mathematics. |
A. a subject so difficult as B. a subject as difficult as C. as a difficult subject as D. difficult as a subject as |
| — Do you still remember the first time we met at school, Jerry? — Yes, I do. You _____ in the classroom. |
A. were reading B. had read C. have read D. are reading |
| I think you should complain _____, of course, you are happy with the way things are. |
A. if B. unless C. as D. because |
| "Well done, John! Not a single mistake _____ in your exam paper this time!" said the teacher. |
A. you made B. did you make C. had you made D. you have made |
| They were ahead during the first half of the match, but they _____ in the last five minutes. |
A. were beating B. beat C. were beaten D. had been beaten |
| _____ global temperatures rising, the UN Climate Change Conference was held in Cancun (坎昆), Mexico last year. |
A. Prevented B. Preventing C. Having prevented D. To prevent |
| "China Daily", whose editorial office is in Beijing, also has _____ in all major cities in China. |
A. branches B. companies C. organizations D. businesses |
| Chengdu Metro Line l, _____ into use in October 2010, has made the traffic in this city not so busy. |
A. to be put B. being put C. having put D. put |