Hardly home when he was asked to go back to work. A. had he arrivedB. he had arrivedC. di

问题补充：

Hardly home when he was asked to go back to work.

A. had he arrived

B. he had arrived

C. did he arrive

D. he arrived

答案：

(答案→)A. had he arrived

B. he had arrived

C. did he arrive

D. he arrived

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