We didn't get home ______ twelve o'clock last night.A after Buntil Cnot until Dbefore
问题描述：
We didn't get home ______ twelve o'clock last night.
A after Buntil Cnot until Dbefore
答
选择B。就是考not...... until的用法，其中not已经放在 didn't （didn't=did not）里了。
答
选B。not...until固定词组，直到。。。才
答
B
答
Buntil
not until
直到 才
答
选B.not...until 直到...才,是固定词组.
翻译：昨天晚上直到12点我们才到家的.
A.after在...以后,和not搭配意思不通顺.
C.not until 前面已经有了not,就重复了.
D.before 在...之前 和前面的not搭配意思不通顺.