—Which city has______population,Beijing,Guiyang or Xingyi?—Beijing, of course.
My aunt forgot _______.
The price of this computer is the ______ of the three.
--_____ we make it half past seven? --What about _______ it a little earlier?
He walked ________ fast for us ________catch up with.
_______ my mother ________ my sister watches TV plays these days.