问题标题：
1.-DoyouknowSpringFestivaliscomingnextFriday?-Yes,wewillhavea____holiday.A.sevendays'B.sevenday'sC.seven-dayD.seven-days2.Mr.Smithoftenspends_____day_____weekinthegym.A.a;aB.one;oneC.a;oneD.one;a3.It___whenlarrivedinBe
问题描述：
1.-DoyouknowSpringFestivaliscomingnextFriday?-Yes,wewillhavea____holiday.A.sevendays'B.sevenday'sC.seven-dayD.seven-days2.Mr.Smithoftenspends_____day_____weekinthegym.A.a;aB.one;oneC.a;oneD.one;a3.It___whenlarrivedinBeijinglastSunday.Everythingturnedwhitesoon.A.rainsB.wasrainingC.snowsD.wassnowing
汪同庆回答：
1C(七天的）假期数字与名词组成的复合形容词用‘-’连接,名词不能加S
2D每周一天（
3D（当一个动作发生时另一个动作正在进行,根据ARRIVED可知主句是过去进行时
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