摘要： 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．has stopped
B .stopped
C．will stop
D．shall stop
Don't get off the bus until it ________.
[ ]
A．will stop
B．has stopped
C．stopped
D．is stopping
Don't get off the bus until it ________
[ ]
A．has stopped
B．stopped
C．will stop
D．shall stop