Although he is a child,he knows a lot.名词作表词,名词前不能加冠词?

Although he is a child,he knows a lot.名词作表词,名词前不能加冠词?
Although he is a child,he knows a lot.名词作表词,名词前不能加冠词?

Although he is a child,he knows a lot.名词作表词,名词前不能加冠词?


Although he is a child,he knows a lot


名词作表语,名词前加冠词
a child 就是做表语


再如：I am a student.
a student 做表语




保证准确率~