There are many _______ playing on the playground. 

—Try to have a healthy lifestyle. It can help you get good ________.— Thanks, I’ll do. 

–How many _______do you have？–Let me see, my father has two brothers.

—Excuse me. may 1 know your_______?— Sure. It's No. 3. Bridge Street.

—What can we do to prevent (避免)being ill?—We should do more exercise and eat a ________ diet to take good care of ______.