问题 填空题
用方框中所给单词的适当形式填空。
important,  take,  possible,  cause,  bad
1. It's ______ him to finish the work in such a short time.
2. I fed even ______ after I live in this noisy city.
3. Everyone should realize the ______ of learning English.
4. Why not ride a bike instead of ______ a bus?
5. The large population ______ many problems so far.
答案

1. impossible  2. worse  3. importance  4. taking  5. has caused

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