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Youlookedtired,JaneYes,ImyunclecleanthehouseallthedayAhavehelpedBhavebeenhelpingCwashelpingDamhelping我感觉是Clookedtired表过去,说明cleanthehouse是过去的过去排除ABD

题目详情
You looked tired,Jane
Yes,I my uncle clean the house all the day
A have helped B have been helping C was helping D am helping
我感觉是C looked tired表过去,说明clean the house是过去的过去 排除ABD
▼优质解答
答案和解析
应该选B
have been helping 是现在完成进行时
表示动作从某一时间开始,一直持续到现在,或者刚刚终止,或者可能仍然要继续下去.