Last night we _ back until the teacher left school.a went b didn't c.haven't d wouldn't

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Last night we _ back until the teacher left school.a went b didn't c.haven't d wouldn't
Last night we _ back until the teacher left school.a went b didn't c.haven't d wouldn't

Last night we _ back until the teacher left school.a went b didn't c.haven't d wouldn't
选b,但要改为:didn't go
[昨天晚上我们直到老师离开学校才回去.]
原因很简单,时间是last night(昨晚),是具体的过去时间,只能用一般过去时,排除c,d.而且,要掌握“not…until…(直到……才……)”,所以排除肯定式a

B.not……until直到……才

Last night we _ back until the teacher left school.
a went b didn't c. haven't d wouldn't
选B
因为until前应该是短暂或终止性的动作
until用于肯定句时和延续性动词连用
I will wait for you until 10 o'clock

c