问题补充：
She speaks as if she on the spot.
A. was
B. were
C. had been
D. is
答案：
A. was
(答案→)B. were
C. had been
D. is
解析：考查虚拟语气：在as if/as though引导的状语从句中，谓语动词多用倒退一个时间段的方式来表达虚拟语气。和现在情况相反用一般过去时，和过去时间相反用过去完成式，这题因为主句是she speaks所以是和现在相反，用一般过去时，虚拟语气中be动词用were。句意：她说话的样子好像她在现场。选B。
