1.
选择搭配
⑴What must we do? A. We use water to wash clothes.
⑵What do you know about fire? B. We must be quiet.
⑶What mustn't we do at home? C. We mustn't play near fires.
⑷What time do you go to bed? D. Fire gives us heat and light.
⑸How do we use water? E. I go to bed at 10:00 p.m.