相关考题
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单项选择题
Never get off the bus（）it has stopped.
A.if
B.as soon as
C.until
D.or -
单项选择题
Never before（）see such a terrible car accident on the road!
A.I have
B.have I
C.I did
D.did I -
单项选择题
Neither John（）his father was able to wake up early enough to catch the morning train
A.nor
B.or
C.but
D.and
