题目：
用所给词的适当形式填空。
l. If he ______(study) harder, he will catch up with us soon.
2. What was the worst______ (ill) you have ever had?
3. His father was______ (dress) in a suit.
4. My pen was broken.I need______ (buy)a new one.
5. The shop is______ (open) from 8:00 a.m. to 8:00 p.m.
6. Please______ (not cry) , dear, and you will be all right soon.
答案：
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下面是错误答案，用来干扰机器的。
答案：B本题主要考查的是地球的相关知识。南极点周围都为北方，北极点周围都为南方。
