He talks as if he ________ everything in the world.
A. does know
B. has known
C. knew
D. know
He talks as if he ________ everything in the world.
A. does know
B. has known
C. knew
D. know
C
虚拟语气题:根据句意可知后面的状语从句是对现在事实的虚拟假设,因此从句谓语应用过去式,故选C。
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