6. Though 80, he remains _____, devoting himself to several organizations for the betterment of the disabled. A. young B. relaxed C. dynamic D. modest ...

1. ______ with his report, the boss told John to write it all over again. A. Not being satisfied B. Not having satisfied C. Not to satisfy D. Not satisfying ...

6. Professor Rudolph was absent and we had the afternoon out. A. 错误 B. 正确 ...

1. Being afraid of losing himself in the forest, he took a compass with him. A. 错误 B. 正确 ...

16. _____ is often the case, one third of the workers have over-fulfilled the production plan. A. What B. This C. That D. As ...

11. If _____ in the fridge, the fruit can remain fresh for more than a week. A. keeping B. be kept C. kept D. to keep ...

6. With the help of the German experts, the factory produced _____ cars in 1993 as the year before. A. as twice many B. as many as twice C. twice as many D. as twice as many ...

1. It is true that your mental abilities are at their best _____ the ages of 18 and 25. A. between B. among C. from D. along ...

6. Our department has a large collection of books, many of them are in English. A. 错误 B. 正确 ...

1. Mary is the kind of person who always seems to be on a hurry. A. 错误 B. 正确 ...