—Where is Tom ?
—Well , he you here. Otherwise he would e down right now.
A. didn’t know ; were
B. hasn’t known ; are
C. doesn’t know ; are
D. hadn’t known ; were
网友回答
A. didn’t know ; were
B. hasn’t known ; are
(答案→)C. doesn’t know ; are
D. hadn’t known ; were
解析:本句的语义环境为:第一个人现在想见Tom,而Tom未来,是因为Tom现在还不知道第一个人在那儿。故选C。