题目内容：

Please keep______.The teachers are having a meeting.______里填什么?
Please keep______.The teachers are having a meeting.
A.quiet B.quietly.

优质解答

选A.
首先,要明确 quiet 和 quietly 之间的不同点.
quiet 是形容词,而 quietly 是副词.
其次,虽然 keep 是动词,但在这里不能用副词修饰,这是英语中很常见的一种用法.比如,把 keep 换成 be 一样,后面应该放一个形容词