—How much shall I pay for the telephone call? —You _____. It's free. A．mustn't B．shouldn't C．don't h...
2023-02-19 08:29:04 101次 2012-2013学年江西省九年级第一次段考英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
—How much shall I pay for the telephone call?
—You _____. It's free.
A．mustn't
B．shouldn't
C．don't have to
D．can't
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