1 . Do you know why glasses of this kind made in this factory _____________(wear) so comfortably? (所给词的适当形式填空)

2 . With a lot of problems ________ (solve), the newly-­elected president will have a hard time. （用单词的适当形式填空）

3 . With a lot of work ________   (do), I couldn't go to the supermarket. （用单词的适当形式填空）

4 . They were looking for a place that wasn’t easy ________ (find). (所给词的适当形式填空)

5 . A freshly baked cake ________ (not cut) easily. （所给单词适当形式填空）

6 . The rope ________(measure) 10 meters . （用所给单词适当形式填空）

7 . The disappearance of dinosaurs is not necessarily caused by astronomical (天体的) incidents. But alternative explanations are hard______(find). (所给单词的正确形式填空)

8 . Your article_____ （read）very well, and I am totally attracted by it．(所给词的适当形式填空）

9 . An earthquake __________ (measure) 6.1 on the Richter scale struck California yesterday. （用单词适当形式填空）

10 . 语法填空：用括号内单词的适当形式填空。
1. The understanding between two friends ________(mean) both of them have similar ideas and trust each other.
2. All of the research work __________(design) by the chief engineer last year.
3. By focus on _________(save) oil, water, paper, food and clothing, we are playing a part in cutting down on waste.
4. It is no use _________(argue) with him; he won’t change his mind.
5. I still remember _______(take) to see films in the open air when I was small.
6. People ______(work) in green environment have been found to have fewer stomachaches.
7. The principal said that the teacher rather than the students _______(be) to blame.
8. A student will be immediately punished if he is found __________(smoke) at school.
9. He sent me an e-mail, __________(expect) to get further information.
10. You may find the news ______(astonish).