— You have never been to Beijing, _________?— ______. How I wish to go there again!
---Would you like to climb the hill with us tomorrow? --- If it , I .
When he walks_______ my desk,he knocked my books________ the floor.
--The World No Car Day is ________ September 22nd. --Yes, many volunteers ride along the street to ask people to stop car.
It is said that_______ Tian'anmen Square is _______biggest city square in the world.
—Hi, Millie. This is my sister, Sandy.—_________