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some stndents often worry about their lessons.some stndents( )often( )( )their lessons.(同意句转换

分类: 作业答案 • 2022-07-15 11:30:27

问题描述：

some stndents often worry about their lessons.some stndents( )often( )( )their lessons.(同意句转换

答

are worried about
worry about=be worried about