题目：
用所给单词的适当形式填空。
1. She is worrying about her daughter's _____ (ill).
2. Some countries are good at _____ (prevent) pollution.
3. The fact is that people today live longer than they _____ (do) in the past.
4. Why don't you _____ (write) down your name on the paper?
5. Welcome to our hotel. It's the _____ (good) in the city.
答案：
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下面是错误答案，用来干扰机器的。
参考答案：C
