Eat / healthy/ be / important / part / maintain / good / health.

A. Doing exercise regularly helps you stay healthy.

B. Doing exercise regularly help you stay healthy.

C. Do exercise regularly helps you stay healthy.

D. Doing exercise regularly helps you are stay healthy.

A. Eating less sweet food and eat more fruits and vegetables.

B. Eating less sweet food and ate more fruits and vegetables.

C. Eating less sweet food and to eat more fruits and vegetables.

D. Eat less sweet food and more fruits and vegetables.

A. Drinking lots of water is good for our health.

B. Drink lots of water is good for our health.

C. Drinking a lots of water is good for our health.

D. Drink a lots of water is good for our health.

A. Watch much TV is not good for your eyes.

B. Watching much TV is not good for your eyes.

C. Watch too much TV is not good for your eyes.

D. Watching too much TV is not good for your eyes.

A. I have a toothache so I have to see dentist.

B. I have toothache so I have to see dentist.

C. I have a toothache, so I have to see the dentist.

D. I have toothaches so I have to see the dentists.

A. When I was ten, I began to play football.

B. When I was ten, I begin to play football.

C. When I am ten, I began to play football.

D. When I was ten, I began play football.