同义句 1.why does he keep laughing?2.if you don not water the flowers ,they will die.

题目

同义句 1.why does he keep laughing?2.if you don not water the flowers ,they will die.
3.if you clean your room every day,it will be good for your health

答案

Why is he laughing all the time?
Water the flowers,or they will die.
clean your room everyday,and it will be good for your health.