题目内容
-Li Lei, hurry up! The bus is coming!
-Oh, no.We ________ cross the street until the traffic lights turn green.
[ ]
A.mustn't
B.may not
C.needn't
D.have to
答案:A
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题目内容
-Li Lei, hurry up! The bus is coming!
-Oh, no.We ________ cross the street until the traffic lights turn green.
A.mustn't
B.may not
C.needn't
D.have to