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素能提升演练（五）
必修2 Unit 5
Ⅰ. 用所给词的适当形式填空
1. This accident had a great ______ (effective) upon the future of both mother and son.
2. It’s said that the two parties will _______ (combination) to defeat the third.
3. Can you tell me who’s _______ (responsibility) for the terrible mess?
4. You were wrong to enter my office without _______ (permit).
5. Their football team _______ (performance) very well in the match yesterday.
6. She _______ (impression) me with her knowledge as a scholar.
7. She _______ (representative) her fellow-workers at the union meeting.
