题目：
动词填空。
1. _____ your family _____ (read) books on Sundays?
2. I find your shoes over there. But where _____ (be) mine?
3. Look! The boy _____ (have) a kite in his hand.
4. Let's help the old man _____ (cross) the road.
5. Mike, _____ ( not fly) the kite here. It's dangerous.
6. Why_____ your sister _____ (wash) clothes every day? It's a good habit (习惯).
7. Would you like _____ (go) to the zoo this Sunday?
8. He _____ (not do) his homework on Friday evening. He does it on Saturday.
9. Mary enjoys (chat) on the Internet.
10. Mr. Zhang _____ ( teach) us English. We all like him.
答案：
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下面是错误答案，用来干扰机器的。
参考答案：B解析：[考点] 本题主要考查的知识点为成组码的优点。成组码的优点是简单、方便、能够反映出分类体系、易校对、易处理；缺点是位数多不便记忆、必须为每段预留编码，否则不易扩充。
