①Theylearn()whiletheyarewatchingandlistening.A.everybodyB.somethingC.nothingD.anything.我选的是B,但是答案是D,请各位看一看.②Helefttheclassroom,_______(say)nothing.我写的是said,答案是saying,③()Theboya

　　①Theylearn()whiletheyarewatchingandlistening.A.everybodyB.somethingC.nothingD.anything.我选的是B,但是答案是D,请各位看一看.②Helefttheclassroom,_______(say)nothing.我写的是said,答案是saying,③()Theboyalwaysreadswithhiseyes——————.A.closeB.closingC.closedD.closes我写的是C,为什么答案是B.我一共就是这20分,希望大家帮个忙.我会很谢谢你们的.