科目：高中英語 來源： 題型：
—Has Sam finished his homework??
—I have no idea. He _____ it this morning.?
A.did?
B.has done?
C.was doing?
D.had done?
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科目：高中英語 來源： 題型：
— Has Sam finished his homework today ?
— I have no idea. He ______ it this morning.
A. did B. has done C. was doing D. had done
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科目：高中英語 來源：2012-2013學年陜西省高三第一次月考英語試卷（解析版） 題型：單項填空
—Has Sam finished his homework today?
—I have no idea. He ________ it this morning.
A. did B. has done C. was doing D. had done
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科目：高中英語 來源：2011-2012學年山東省兗州市高三入學摸底考試（英語） 題型：單項填空
— Has Sam finished his homework today?
— I have no idea. He ________ it this morning.
|
A．did |
B．was doing |
C．has done |
D．had done |
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科目：高中英語 來源：20102011河南省高二第二次月考英語試題 題型：單項填空
---- Has Sam finished his homework today?
---- I have no idea. He ________ it this morning.
A. did B. has done C. was doing D. had done
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