问题
选择题
—Who is the old man talking with your teacher?
—I don’t know. I _________ him before.
A．was never seeing
B．had never seen
C．never saw
D．wouldn’t see
答案
C。
before表示要用过去时，意为“我以前从未见过他”可排除B、A，并根据上下文语境，排除D。
搜题请搜索小程序“爱下问搜题”