herehasbeenagreatincreaseinretailsales,____﹖
Thegreatuseofschooleducationisnotsomuchtoteachyouthings_____toteachyoutheartoflearning.
Therearesomepolicecarsinfront.Whatdoyousuppose_____?
Modernscienceandtechnologyhas_____communicationbetweenpeoplefarapart.
ProfessorWang,_______forhisinformativelectures,waswarmlyreceivedbyhisstudents.
Hedoesn'tknowwhattosay,foritisthefirsttimethathe______withagirl.