The atmosphere of the earth ______ us from the strong sun light.
| A．prevents | B．keeps | C．stops | D．protects |
102. ______ I had done it I knew I had made a mistake.
| A．Hardly | B．Directly | C．Mostly | D．Nearly |
103. _____ at the news, the girl said nothing but ______ into the chair and cry.
| A．Being shocked; dropped | B．Shocking; dropping |
| C．Having been shocked; drop | D．Shocked; to drop |
104. What do you think _____ to her? She is very angry now.
| A．did he do | B．he did | C．does he do | D．has he done |
105. There is a new problem involved in the popularity of private cars _______ road conditions need to be improved.
| A．that | B．which | C．where | D．When |
106. The method ______ highly effective.
| A．was proved | B．proved as |
| C．proved to be | D．is proved to be |