◎ 题干
The teacher often tells us_____our classroom_____.
[     ]
A.to keep; to clean
B.keeping; cleaning
C. to  keep; clean
D.keep; clean
◎ 答案
查看答案
◎ 解析
查看解析
◎ 知识点
    根据魔方格专家分析,试题“The teacher often tells us_____our classroom_____.[ ]A.to keep; to cleanB.keeping; cleaningC. tokeep; cleanD.keep; clean…”主要考查了你对  【实义动词】【不定式】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。