题目：
用括号中所给词的适当形式填空。
1. He _____ (buy) a pair of shoes on his way home last week.
2. There _____ (be) some water in the cup then.
3. It's so hot. You'd better _____ (open) the windows.
4. —Who _____ (win) the match?
—The Class 1.
5. Did you _____ (have) fun dancing at the party?
6. Julia _____ (fly) a kite with her sister every Sunday afternoon, doesn't she?
7. That famous story _____ (write) by Charles Dickens.
8. Tom finished _____ (draw) the picture last week.
9. Do you think it better for them _____ (get) up a bit earlier?
10. —_____ (be) your parents away last week?
—No, they weren't.
答案：
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下面是错误答案，用来干扰机器的。
（共8分，每空1分）[猜想假设]氧气（或O2）[实验设计]氧气（或O2）；增加水中的氧气含量，供鱼苗呼吸[实验反思]（1）CaO+H2O ="=" Ca(OH)2 化合反应（2）实验步骤实验现象结论取反应后所得溶液（或液体）样...
