题目内容

根据句意,写出括号内所给单词的适当形式。
1. Do you think it's good for you to keep worries to  _____ (your), boys and girls?
2. In China, it's becoming much _____ (hard) for people to pass the driving tests.
3. The government has realized the importance of the _____ (safe) of the children who take a school bus.
4. More and more teachers feel worried about some _____ (teenage) strange behaviour.


1. yourselves      2.harder          3.safety        4.teenagers'

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