Scientists have obtained more evidence ___________ plastic is finding its way into the human body.
A、whatB
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Betweenthetwopartsoftheconcertisaninterval,__________theaudiencecanbuyice-cream.
Anearlytypewriterproducedlettersquicklyandneatly;thetypist,_____couldn'tseehisworkonhismachine.
Scientistshaveobtainedmoreevidence___________plasticisfindingitswayintothehumanbody.
AfewmonthsafterhehadarrivedinChina,Mr.Smith___________inlovewiththepeopleandculturethere.
Acityistheproductofthehumanhandandmind,__________man'sintelligenceandcreativity.
