题目内容
--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
答案:C
提示:
提示:
现在完成进行时表示动作从过去某一时间开始,一直持续到现在 . |
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