1 A
固定用法：keep +宾语+形容词
2 C 祈使句的否定句是：don't开头
you must keep your jacket ()A.clean B.cleans C.to clean D.cleaning
you must keep your jacket ()A.clean B.cleans C.to clean D.cleaning
please （） look outside .look at the blackboard.A .not B.aren'tC.don'tD. can't
please （） look outside .look at the blackboard.A .not B.aren'tC.don'tD. can't
英语人气：773 ℃时间：2019-11-04 13:17:32
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