英语,同义句转换,Hurry up, or you won't catch up the bus改为 （— — — Hu

if you don't hurry up,you won't catch the bus
所有这类祈使句接一个and 或 or 的并列句的都可以换成if/unless的条件句
如
Be quick,or you will be late.可以改成 If you are quick,you will not be late,或者 if you are not quick,you will be late.
希望能为你解惑!