| Of the two cameras, I would prefer ____ one, which is very easy for me to carry. |
A. a smaller B. the smallest C. a small D. the smaller |
| On snowy days, you have to drive very _____ to avoid traffic accidents. |
A. cautiously B. neatly C. smoothly D. properly |
| Play, often seen as _____ activity for kids, is still important in _____ development of teenagers. |
A. the; the B. an; the C. an; 不填 D. the; 不填 |
| Mary was only too ready to help others, seldom, _____, refusing them when they turned to her. |
A. if never B. if not C. if any D. if ever |
| _____ a written permission, he had to write another letter to the president of the university. |
A. Not giving B. Not having been given C. Having not given D. Having not been given |
| — How come your father can read books in German? — Well, he _____ on a project with some German engineers for 3 years when he was young. |
A. worked B. was working C. had worked D. would work |
| It was reported that 115 miners _____ in the flooded mine for eight days were pulled out alive at last. |
A. trapped B. being trapped C. were trapped D. had trapped |
| China is known _____ greatly in terms of its cultural values over the past few years. |
A. to change B. having changed C. changing D. to have changed |
| 一 I did very well in the English exam last week. 一 I did _____. I got a full mark. |
A. no better B. not better C. no worse D. even worse |
| Daniel, you _____ into things. How can anyone be so clumsy? |
A. always knock B. are always knocking C. always look D. are always looking |