Mr. Smith gradually _____ a knowledge of the subject.
A、attainedD
暫無解析
__________theconvenienceofdigitalpayment,manyseniorcitizensstartedtousesmartphones.
Thisisthe_____pianoonwhichthecomposercreatedsomeofhisgreatestworks.
Inthatschool,Englishiscompulsoryforallstudents,butFrenchandRussianare_________.
We’dbetterdiscusseverything_______beforeweworkouttheplan.
---Youcouldalwaysputthedecisionoffalittlebitlonger.
---_____IfIleaveitmuchlongerImightmissmychance.
