Thebookfairhasreceivedapositive________fromreaders.
重型腹泻禁食的时间是（）
Thesuspectcooperatedfullywiththepolicewhen______abouthisroleintheincident.
Iftheoperation________carefullyprepared,itwouldnothavebeensuccessful.
Americanseat______vegetablesperpersontodayastheydidin1910.
