---You look very tired.---Well, __________my lessons all the afternoon.A．I have

题干

---You look very tired.
---Well, __________my lessons all the afternoon.

A．I have reviewed my lessons	B．I have been reviewing
C．I reviewed	D．I had reviewed

上一题下一题 0.64难度单项选择更新时间:2014-06-26 02:31:35

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