—You should have thanked her before she left.—I meant ________, but when I was l

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—You should have thanked her before she left.
—I meant ________, but when I was leaving I couldn’t find her anywhere.

A．to do

B．to

C．doing

D．to have done

上一题下一题 0.64难度单项选择更新时间:2013-07-25 08:21:55

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