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

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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