—Hey, Jack. Waste paper mustn’t ________ here.
don't throw waste paper here.(改为被动语态)
We mustn't waste water ________ there is not enough water on
句型转换的同义句!句型转换You mustn't throw the waste paper on the floor.
Don't t____the waste paper everywhere.
You mustn't waste any time.(改为否定祈使句)
That is w___ we mustn't waste time.
This dictionary mustn't ________ from the
waste paper shouldn't be t( ) everywhere.it
You mustn't smoke here.(改为祈使句)
We mustn't smoke here.改被动
you mustn't smoke here同义句 --------is not--------here
you mustn't smoke here . ( ) ( ) here. 改为同义句 急用