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It'snecessaryforyou       theclassroomclean,class.A.kee...
  • It'snecessaryforyou       theclassroomclean,class.A.kee...

  • 問題詳情:It'snecessaryforyou       theclassroomclean,class.A.keep   B.keeping   C.tokeep【回答】C【解析】句意:同學們,保持教室乾淨對你們來説是必要的。keep動詞,保持。本句為固定句型It’s+形容詞+forsb.+todosth.,意為“做某事對某人而言是怎樣的”。其...
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