_____ are listening to their teacher.A.All students B.All of the _英语解答

_____ are listening to their teacher.
A.All students B.All of the students
我知道应该选择B
但是想知道A为什么错误?all做形容词不能这么修饰名词么?

人气：261 ℃　时间：2020-02-05 23:36:56

解答

all当然可以修饰名词,错误在于A缺少定冠词“the”,句子后部分有their,表明students是特指,特定的对象.所以必须有the修饰
正确：All the students are listening to their teacher.或B选项