问题
选择题
—Where is Tom ?
—Well , he __________ you __________ here. Otherwise he would come down right now.
A．didn’t know ; were
B．hasn’t known ; are
C．doesn’t know ; are
D．hadn’t known ; were
答案
答案：C
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。