【题目】选词填空。
【1】_______ (What/When) do you go to bed every day?
【2】When do you usually do morning _____(exercise/exercises)?
【3】My mother goes to work_____ (at/in) 7:00.
【4】That’s _____ (too/to)late.
【5】_____(Class/Classes)start at 3 o’clock.
【答案】
【1】When
【2】exercises
【3】at
【4】too
【5】Classes
【解析】
略
