—Dad, must we stop and wait when the light turns yellow? —I’m afraid we . It’s necessary to obey the...
2023-02-03 10:46:33 108次 2013-2014学年海南省海口市毕业生学业模拟考试（一）英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
—Dad, must we stop and wait when the light turns yellow?
—I’m afraid we . It’s necessary to obey the traffic rules.
A. needB. mustC. may
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