猫科动物和人对比:用MUST提问时,否定回答怎么说?
来源:百度文库 编辑:神马品牌网 时间:2024/05/09 10:24:30
needn't比较常用
用don't have to
eg.一:Must I open the door?
一:No,you don't have to !
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来源:百度文库 编辑:神马品牌网 时间:2024/05/09 10:24:30
needn't比较常用
用don't have to
eg.一:Must I open the door?
一:No,you don't have to !