【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