There will be ___________pollution and ___________ trees and flowers ifwe don’t try to care about the environment from now on.A. less, fewerB. less, moreC. more, fewer
_______ buy your ticket from a ticket machine. There are lots of people there.
John had a short walk after lunch,_______?
---How often do you see your grandparents? ---_______.
_______ fine day it is! Let’s go and fly a kite.
---Which city has _______ population, Shanghai, Hongkong, or Qingdao? ---Shanghai, of course..