There are______ living things on the earth. We must value our home—the earth.A. millions B. million of C. millions of
---I often have hamburgers for lunch.--- You’d better not. It’s bad for you too much junk food.
---Do you often go to the gym? ---No, . I don’t like sports at all.
Take exercise, you will become stronger and healthier.
They decided by bus.
--- do you have an art festival in your school? ---Once a year.