飞利浦42pfl7422电源:You mustn't riding fast,___ it may have an accident. or还是and?
来源:百度文库 编辑:神马品牌网 时间:2024/05/13 16:12:19
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You mustn't lend it to others.
关于mustn't
You mustn't walk on grass,must you? 后句中的must用的对吗?
You mustn't riding fast,___ it may have an accident. or还是and?
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can't be和mustn'be的区别