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素能提升演练（二十一）
必修4 Unit 3
Ⅰ. 用所给词的适当形式填空
1. In the future, bacteria will be _________ (benefit) to cancer patients and could even feed on dirt.
2. He’s a very creative man who _________ (contribute) a lot to our ads design.
3. He gave the _________ (assist) to me when I was in trouble.
4. To our satisfaction, he had got the first prize in the diving _________ (compete).
5. It’s _________ (relax) to listen to music after a day’s work.
6. An awkward situation influenced the _________ (develop) of his career.
7. An increasing number of women have energetically _________ (participate) in public life.
8. Our newspaper is an _________ (influence) newspaper in this city.
9. Certainly I can agree with you that such duty is both dangerous and _________ (demand).
10. Those _________ (opportunity) are never lost; someone will take the ones you
