问题
选择题
By the time I saw the angry expression on his face, I ______ exactly what I was having to face. But not for a moment ______ I should quit.
A．had known; I thought
B．have known; had I thought
C．would know; I would think
D．knew; did I think
答案
答案：D
考查时态：第一空的动词，是根据时间状语By the time I saw选择，主句的谓语用过去完成时，第二空考查倒装句，not for a moment表示否定，放在句首时，谓语是部分倒装。而且是过去时，选D。