填空（）wearegoingto_____holiday.A.aseven-daysB.aseven-dayC.seven-day2.()Thepupilswillhavea_____holiday.A.three-weekB.three-weeksC.third-week

问题：填空（）wearegoingto_____holiday.A.aseven-daysB.aseven-dayC.seven-day2.()Thepupilswillhavea_____holiday.A.three-weekB.three-weeksC.third-week

答案：↓↓↓

万志惠的回答：

网友采纳　　1.B　　2.A　　这两题的回答考点是一样的,都是【a数字-日子holiday】这样的形式　　aseven-dayholiday一个七天的假期,这里day不要加复数,用短横线连接之后就只能用单数形式　　athreeweekholiday一个三周的假期,同理　　其他例子：athree-year-oldboy一个三岁男孩,这里year没有+s