He spoke as though he anything of the world.
--Really?
A. knew
B. had known
C. knows
D. has know
网友回答
(答案→)A. knew
B. had known
C. knows
D. has know
解析：考查虚拟语气。句意：他说话好像他对于这个世界什么都知道。把握关键词：as though 好像，后面跟状语从句要虚拟，要用过去的时态表虚拟，排除C 和D ,根据句意是从句内容是对现在的虚拟，所以应该用一般过去时，所以A 正确。