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—I wonder if you could go with me to the shopping mall. —Don’t disturb me. I ______ my experiment r...
题目内容:
—I wonder if you could go with me to the shopping mall.
—Don’t disturb me. I ______ my experiment report all the morning and haven’t finished yet.
A.wrote |
B.was writing |
C.have written |
D.have been writing |
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