学生啦：学生啦wwww.xueshengla.comUnit 5 Educational exchangesPeriod 3 GrammarA层作业以夯实基础一、单选题l.一How clean the bedroom is！-Yes.I think someone must it.A.cleansB.cleanedC.have cleanedD.has cleaned-Fantastic.I plan to go there again.A.What have you done in LondonB.How about your trip to LondonC.Why do you like your trip to LondonD.How long have you stayed in London3.Mike the USA.Heback in two months.A.has gone to;comesB.has gone to;will beC.have been to;comesD.have been to;will be4.-Shall we go fishing at six o'clock tomorrow morning?Will seven o'clock be OK?A.Sure,it's up to youB.Sure,no problemC.Sorry,I can't make itD.Sorry,I'm not available today5.-Have you everan amusement park?-Yes,I have.IFun Times Amusement Park last year.A.been to;have gone toB.gone to;have been toC.go to;went toD.been to;went to6.-Where's your brother?-Oh,hethe library andA.has been to;so Lucy hasB.has gone to;so Lucy hasC.has gone to;so has LucyD.has been in;so has Lucy7.They triedthe fence and ran away.A.breakB.brokeC.to breakingD.to break8.-Lucy hasn't come back from the library学生啦www.xueshengla.corm