the students are listening to the teacher (quiet) in class

同学,很高兴回答你的问题
正确答案：填quietly
即：The students are listening to the teacher ( quietly ) in class.
翻译：学生们正在安静地在课堂上听老师讲课.
解析：quiet是形容词,但是句子中应该填副词形式修饰谓语动词are listening to,所以填quietly
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quietly

quietly. 该句中动词时listen是实意动词，所以要用副词修饰。

quietly