B
musn't是禁止,不允许
can't是没有能力
When the traffic light turn red,we__cross the road.
When the traffic light turn red,we__cross the road.
A.must
B.mustn't
C.can
D.can't
A.must
B.mustn't
C.can
D.can't
英语人气：634 ℃时间：2019-09-05 16:36:16
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