7.--- Will you go to the lecture this afternoon?----No. I to the lecture before.A. listene

问题补充：

7.--- Will you go to the lecture this afternoon?

----No. I to the lecture before.

A. listened

B. had listened

C. have listened

D. was listening

答案：

A. listened

B. had listened

(答案→)C. have listened

D. was listening

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