--Hi,Tracy,youlooktired. --Iamtired.I
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问题详情:
--Hi, Tracy, you look tired.
--I am tired. I _________ the living room all day.
A. painted B. had painted
C. have been painting D. have painted
【回答】
C
知识点:现在完成进行时及其被动式
题型:选择题
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