1. (2021六下·灌云期中) 根据句子的含义，选择词汇，并把序号写在横线上，有多余选项。

A. a zebra crossing B. bite C. rule D. quiet E. diet

1. （1） You must look for it first when you cross the road.
3. （2） No one is speaking in the classroom.
5. （3） The food you eat and drink regularly(有规律地).
7. （4） This is about what you should do and mustn't do.