注意：此页面搜索的是所有试题
题目内容
（国家开放大学英语语法）
It was not ____she took off her dark glasses_____ I realized she was a famous film star.
A.until...when
B.when...that
C.until...that
D.when...then
A.until...when
B.when...that
C.until...that
D.when...then
参考答案