Thisisthe_____pianoonwhichthecomposercreatedsomeofhisgreatestworks.
A、actualAuniversityisaneducationalinstitutionwhich_____degreesandcarriesoutresearch.
—Lindadidn’tinviteustotheparty.
—______?Idon’tcare.
Althoughhedoesn'tlikethatlaw,hewill_____withit.
Anearlytypewriterproducedlettersquicklyandneatly;thetypist,_____couldn'tseehisworkonhismachine.
__________theconvenienceofdigitalpayment,manyseniorcitizensstartedtousesmartphones.
