—Has Linda finished her homework?—Sorry, I don’t know. I just saw that she _____

题干

—Has Linda finished her homework?
—Sorry, I don’t know. I just saw that she _____ it yesterday afternoon.

A．has been doing	B．had done
C．was doing	D．has done

上一题下一题 0.65难度单项选择更新时间:2018-09-03 09:01:57

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