Thisrobotissupposedtosavealotoflabor,butitremainsaproblemifit______.
A、isManyworkerswereorganizedtoclearawayremainedoftheWorldTradeCenter.
Modernscienceandtechnologyhas_____communicationbetweenpeoplefarapart.
Weallthinkthat_____noneedtomakelawstopreventtheyoungfromgettingmarriedduringtheircollegelife.
InfactPeterwouldratherhaveleftforSanFranciscothan____inNewYork.
You______bedrivenoutoftheschoolifyoudaretocheatintheexam.
