题目内容
The policeman asked the child ________ cross the street ________ the traffic lights turned green.
A. not, when B. not to, until
C. didn't, before D. not to, after
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题目内容
The policeman asked the child ________ cross the street ________ the traffic lights turned green.
A. not, when B. not to, until
C. didn't, before D. not to, after