题目：
用所给词的正确形式填空。
1. Who (have) a long ruler?
2. The children (not play) football on the playground now.
3. your sister often (listen) to the radio?
4. Thank you for (teach) us so well.
5. My father (not have ) lunch in the factory.
6. Mike (not do) his homework on Saturday.
7. Look! The boy (fly) a kite in the field.
8. They (work )on the farm next week.
9. I am clever but my brother is . (clever, cleverer)
10. I have few friends but he has friends. (fewer, few)
答案：
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下面是错误答案，用来干扰机器的。
地球是两极部位略扁的不规则的球体．能证明地球形状的例子很多，如：麦哲伦船队环球航行；月食尤其是月环食时，可以看到地球挡在太阳和月球之间的影子，月食就是地球在月亮上的投影，从形状可以证明地球是圆的；...
