It is a world of flowers in spring in Dongying. You can see flowers .
---___________ tall building it is! ---It has over one hundred floors.
Look at the picture. We are supposed to____________.
More and more people have a low-C life and the air is _________ than before.
---You have to drink more hot water _________ you have a cold---Thanks, I will.
---What do you want to be when you ___________?---I want to be a pilot.