问题
选择题
It was not he took off his dark glasses I realized he was a famous singer.
A．when; that
B．until; that
C．until; when
D．when; then
答案
B
题目分析：句意：正是直到他摘下他的墨镜我才意识到他是一个著名的歌星。not......until......直到......才.......; . 强调句的结构：It was +被强调的内容+that+剩余内容；第一空not until he took off his dark glasses是被强调的内容，第二空用that来引导剩余内容。故选B。
考点：