If in class, you will have to clean the classroom for a week as a punishment. A．caught sleepingB．caught to sleepC．catching sleepingD．to catch to sleep 题目和参考答案——青夏教育精英家教网—

题目内容

If _______ in class, you will have to clean the classroom for a week as a punishment.

A．caught sleeping

B．caught to sleep

C．catching sleeping

D．to catch to sleep

这题考查if的省略句，词组是catch sb doing“抓住某人做”，if后面省略了you are，完整的句子是：if you are caught sleeping in class.句意是：如果你被抓住在课堂睡觉，你就打扫教室一个星期做为惩罚。选A。
句意是：

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