英语的问题一小个快啊!帮忙做几个英语题（是我做错了的额,顺便再帮忙解释一下）1.Itmaybemanyyears______wemeetagain.A.whileB.whenC.sineD.before2.Weweresoorythattherooffell______thefiremanrushedintot

　　英语的问题一小个快啊!

　　帮忙做几个英语题（是我做错了的额,顺便再帮忙解释一下）

　　1.Itmaybemanyyears______wemeetagain.

　　A.whileB.whenC.sineD.before

　　2.Weweresoorythattherooffell______thefiremanrushedintotheroomtosavetheboy.

　　A.afterB.whenC.beforeD.while

　　3.Hestoodtherewithhiseyes_____upward.

　　A.lookedB.tolookC.lookD.looking

　　4.GrandmothersleptonthesofawiththeTVset______

　　A.turnedonB.turningonC.toturnoffD.turnoff

　　5.Theteacherenteredtheclassroomwithabook_____

　　A.onhishandB.togoC.goneD.go

　　顺便再帮忙解释一下这几个短语的意思谢~~onhishand,inhishand,onhisarm

　　谢谢啦如果回答的好的话,会另外加分的!谢～!