Don't get off the bus until it ___.A.stop B.will stop C.stopped D.has stopped

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Don't get off the bus until it ___.A.stop B.will stop C.stopped D.has stopped

Don't get off the bus until it ___.A.stop B.will stop C.stopped D.has stopped
Don't get off the bus until it ___.
A.stop B.will stop C.stopped D.has stopped

Don't get off the bus until it ___.A.stop B.will stop C.stopped D.has stopped
主将从现
这是状语从句的结构,主句用将来时,从句用现在时态.
这里从句用的是现在完成时态,主要强调的是“ 等车子停好后,才下车”之意.强调要停好的动作完成之意.

不要下车,直到它 已经 停下来..
a, stops,
b,c, 时态明显不对..