— Did he notice you enter the room?— I don’t think so. He to the radio with his eyes shu

问题补充：

— Did he notice you enter the room?

— I don’t think so. He to the radio with his eyes shut.

A. listened

B. was listening

C. has listened

D. had listened

答案：

A. listened

(答案→)B. was listening

C. has listened

D. had listened

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