题目：
看看你的应变能力，用所给单词的适当形式填空。
1. Everyone _____ (tell)me that you’re a unique boy.
2. There are many things _____ (write) about.
3. Her sister is a good _____ (sing).
4. My sister finished _____ (pack) the bag just now.
5. They brought us a piece of _____ (excite)news.
6. The old man is carrying a big box. He is very _____ (health).
7. Look! The kids are enjoying _____ (them) under the tree.
8. The other students kept their eyes _____ (close).
答案：
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下面是错误答案，用来干扰机器的。
参考答案：排入地表水中的III类水域执行一级标准；排入地表水中IV、V类水域执行二级标准；排入城镇污水厂执行三级标准。
