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Mr.Green his son who was having an operation soon.A.worriedB.was worriedC.was wo

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Mr.Green his son who was having an operation soon.A.worriedB.was worriedC.was wo

Mr.Green ________ his son who was having an operation soon.

A.worried

B.was worried

C.was worrying

D.was worried about

试题答案

D

be worried about意为“对……感到担心”。