More and more people have a low-C life and the air is getting much    than a few years ago.

I think Bob is the suitable person to take the job because he can do the work well with ____ money and ______ people.

—Which is______，the sun，the moon or the earth?—Of course，the moon is.

—I eat___  vegetables and ____ _meat than I did last year.—That’s why you’re getting fatter. 

—Which country has________population ,China , India or America?— China.