y____(tell)thathiswifehadlefthim.46.[2012•辽宁]Thismachineisveryeasy____(operate).Anybodycanlearntouseitinafewminutes.47.[2015•陕西]Backfromhistwo-yearmedicalserviceinAfrica,Dr.Leewasveryhappytoseehismother____(take)goodcareofathome.48.[2014•四川]Themanagerwassatisfiedtoseemanynewproducts____(develop)aftergreateffort.49.[2013•陕西]Letthoseinneed____(understand)thatwewillgoallouttohelpthem.50.[2013•北京]Whenwesawtheroad____(block)withsnow,wedecidedtospendtheholidayathome.51.[2012•四川]Ilookedupandnoticedasnake____(wind)itswayupthetreetocatchitsbreakfast.52.[2012•四川]Beforedrivingintothecity,youarerequiredtogetyourcar____(wash).53.[2012•江西]Havingfinishedherproject,shewasinvitedbytheschool____(speak)tothenewstudents.54.[2012•辽宁]Theoldcoupleoftentakeawalkaftersupperintheparkwiththeirpetdog____(follow)them.