专题:过去分词的变化规则单选题1.—Howcleanthewindowis!—Yes,itjustnow.A、cleanedB、hasbeencleanedC、wascleaned2.—Canyoutellmehowtomakeapplejuice?—Sure.Pleasewatchcarefullyandyouwillseehowit.A.ismadeB.ismakingC.makesD.willmake3.There____asportsmeetinourschool.Iwilltakepartinthelongjump.A.isgoingtohaveB.hasC.isgoingtobeD.willhave4.He__________tocometotheteacher’soffice.A.toldB.istellC.wastoldD.tells5.Ifwenowtoprotecttheenvironment,we’lllivetoregretit.A.hadn'tactedB.haven'tactedC.don'tactD.won'tact6.He’s______Chinatwice.He’svisitedmanyinterestingplacesthere.A.beentoB.gonetoC.goingtoD.goingtogoto7.---Dave,wewillleavein10minutes.Areyouready?---No,...