用括号内所给动词的适当形式填空。1.I’lltellourmonitorthegoodnewsassoonashe________(come)backtoschool.2.Itwasapitythatyou_________(notattend)themeetinglast

　　用括号内所给动词的适当形式填空。

　　1.I’lltellourmonitorthegoodnewsassoonashe________(come)backtoschool.

　　2.Itwasapitythatyou_________(notattend)themeetinglastFridayafternoon.

　　3.Weshouldthinkaboutwhatwecando________(keep)animalsandplantsfrombecomingendangered.

　　4.OnMay122008sichuan__________(hit)byastrongearthquakewhichkilledmanypeopleanddestroyedmanybuildings.

　　5.Playingcomputergamesisdelightfulbut_______(spend)toomuchtimeonitmaydoharm.

　　6.TodaytoholdtheOlympicGames__________(consider)asarichprizeforacountry.

　　7.Manychanges________(take)placeinourdailylifesincetheinventionofthecomputer.

　　8.Thepolicemansaidthathe__________(see)aYoungPioneerhelpanoldwomancrosstheroadthedaybefore.

　　9.OurMathsteacher__________(prepare)thenewlessonwithotherteachersintheofficefrom2to4yesterdayafternoon.

　　10.Thefirststeptowards________(protect)theenvironmentistotrytothrowawaylessrubbish.