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He talks as if he everything in the world.A.knowsB.knewC.had knownD.would have k

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He talks as if he everything in the world.A.knowsB.knewC.had knownD.would have k

He talks as if he ________ everything in the world.

A.knows

B.knew

C.had known

D.would have know

试题答案

B

在as if/though后边的方式状语从句中,表示与现在事实相反或对现在的情况有所怀疑,动词用过去式;如果表示的是想象中的过去的动作,用过去完成时。本句表示对现在的情况有所怀疑。