从高考题看by-the-time用法

不用完成时,而应根据实际需要选用适当的时态,此时bythetime相当于when。例如:  Hewasoutofbreathbythetimehereachedthetop.登上顶端时,他气喘吁吁。  Bythetimethebuscame,somanypeoplewerewaitingthatitwasafreefighttogetonit.公共汽车来的时候,等车的人很多,成了一场挤车的混战。  [能力拓展训练]  1.Bythetimeyouarrivehome,I_____,sopleasedon’ein.  A.shallhavebeensleepingB.shallhaveslept  C.shallsleepD.shallbesleeping  2.BythetimeyouarriveinLondon,we_____inEuropefortwoweeks.  A.shallstayB.havestayedC.willhavestayedD.havebeenstaying  3.Hurryup!Bythetimewegettothechurch,themarriageservice_____.  A.hadstartedB.willhavestarted  C.hasstartedD.musthavestarted  4.―DidyouseeXiaoLiattheparty?  ―No,_____bythetimeIarrived  A.she’dleftB.she’sleftC.shewasleftD.shemustleave  5.BythetimeIsawtheangryexpressiononhisface,I_____whatIhadtoface.  A.knewB.haveknownC.wouldknowD.hadknown  Key:1-5DCBAA