相关snecessaryforyou的文学知识

问题详情：It’snecessaryforyou_______theclassroomclean,class.       A.keep                 B.keeping            C.tokeep【回答】C知识点：相似相近词比较题型：选择题...

问题详情：It'snecessaryforyou       theclassroomclean,class.A．keep   B．keeping   C．tokeep【回答】C【解析】句意：同学们，保持教室干净对你们来说是必要的。keep动词，保持。本句为固定句型It’s+形容词+fo...