Let's clean the blackboard.同义句是什么?

问题描述:

Let's clean the blackboard.同义句是什么?

这句话的同义句有多种形式,以下是比较成熟的几种:
1、Come on,the blackboard should be clean right now.
2、What about cleanning the blackboard?
3、Why not clean the blackboard right away?
4、Shall we clean the blackboard in no time?