Thisrobotissupposedtosavealotoflabor,butitremainsaproblemifit______.
A、isManyworkerswereorganizedtoclearawayremainedoftheWorldTradeCenter.
________evidencethatlanguageacquiringabilitymustbestimulated.
Weneedamorecapableleader,______withstrongwillandaswellasgoodhumour.
Manypeopleattendvariouspubliclectures,chiefly______themselvesfamiliarwiththelatestdevelopmentofdifferentfields.
You____himsoclosely;youshouldhavekeptyourdistance.
