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Computersareusedtoc____________witheachotheraroundtheworldbytheInternet
Inthepast20years,myhometownhast_________changed
Ifanyproblema_______,pleasetellme
Theenvironmentpollutionisa_____________(普遍)problem
Managementandunionshavemadeab__________(还价)overwageincreases
Mentalreadinessissometimesmoreimportantthanp________fitness
Doyouhaveenoughe_________toprovethatyouaretellingthetruth
Althoughhehastakenalotofmedicine,hishealthr_______poor
Zimbabwebecame___________(独立)in198010
Hisfriendhass____________fromillhealthforsomeyears
Inwhichd___________areyougoing,northorsouth
Thelittleboystayeda_____________allnight,excitedaboutthecomingfieldtrip
Percyisapoormaninourneighborhood,andhemakesalivingbyb___________fromdoortodoor
Thecompanywasf_____________in1992,thati