问题描述：
1.Who ( )hard in your class?A.worksB.studysC
1.Who ( )hard in your class?
A.worksB.studysC.workingDstudying
2.It's time to( )games.We all like ( )games.
A.playing…playingB.play…playC.playing…playD.play…playing
1.Who ( )hard in your class?
A.worksB.studysC.workingDstudying
2.It's time to( )games.We all like ( )games.
A.playing…playingB.play…playC.playing…playD.play…playing
问题解答：
我来补答展开全文阅读