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达标测评
Ⅰ. 用所给词或短语的适当形式填空
participate in, strengthen, guarantee, positive, fitness, foolishness, drive away,
be supposed to, in charge, work out
1. Let us be merry and _____ all cares _____.
2. We provide a 5-year _____ against rust.
3. The exercises are designed to _____ your stomach muscles.
4. His harmonious family environment has a very _____ effect on him.
5. Everyone in the class is expected to _____ the discussion.
6. John will take the blame for the failure of the project because he is _____.
7. I believe that you can _____ this problem by yourself.
8. In my view, the best way to keep _____ is to go in for sports.
9. I tried to ask a question, but just made myself look _____.
10. The details _____ be secret but somehow let out.
