Recently a survey _______ prices of the same goods in two different supermarkets has caused heated debate among citizens.
B
暂无解析
Scientistshaveobtainedmoreevidence___________plasticisfindingitswayintothehumanbody.
—Let'stakeacoffeebreak.
—__________We'vebeenworkingforhours.
Anearlytypewriterproducedlettersquicklyandneatly;thetypist,_____couldn'tseehisworkonhismachine.
Thisisthe_____pianoonwhichthecomposercreatedsomeofhisgreatestworks.