—Wasn’t it Dr．Wang who spoke to you just now?—．A. I didn’t know he wasB. Yes it wasC. No h

问题补充：

—Wasn’t it Dr．Wang who spoke to you just now?

—．

A. I didn’t know he was

B. Yes，it was

C. No，he wasn’t

D. Yes，he did

答案：

A. I didn’t know he was

(答案→)B. Yes，it was

C. No，he wasn’t

D. Yes，he did

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