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I asked him what he was doing. [ ] A.was he sure to know B.did he know for sure

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I asked him what he was doing. [ ] A.was he sure to know B.did he know for sure

I asked him ________ what he was doing.

[]

A.was he sure to know

B.did he know for sure

C.whether he sure knew

D.if he was sure he knew

试题答案

答案:D