If you go to a fast-food restaurant, you will probably see a lot of teenagers. Today, many teenagers are overweight, and this is because their bad     1     (eat) habits. Most teenagers are keen about food with a lot of fat, oil, salt and sugar. People     2     (call) this kind of food “junk food”.

But bad eating habits     3     (go) beyond fast food. We find many teenagers eat unhealthily. Some don’t have breakfast before they go to school. During the day, some don’t have a     4     (proper) meal for lunch. In a recent survey in one school, scientists found that over two     5     (three) of the students didn’t follow a healthy diet. They didn’t like     6     (vegetable), and many of them didn’t like to eat fruit. They preferred to eat food with a lot of salt, sugar, or fat.

Parents today also worry about their     7     (child) diet. Some doctors give the following     8     (advice): First, teenagers shouldn’t eat food with too much salt. Salt can cause high     9     (blood) pressure in the future. Second, teenagers need to eat some fruit and vegetables every day. Fruit and vegetables     10     (be) rich in vitamins (维生素) and have little fat. Third, teenagers need to eat breakfast every day. It is good for their body and mind.

Mary is my good friend. She likes     1     (sport) very much. She     2     (play) basketball with her father every morning.

Mary has good eating     3     (habit). For breakfast, she likes eggs,     4     (bread) and milk. For lunch, she has chicken, rice and     5     (vegetable). For dinner, she     6     (have) some fruit and bread. She eats     7     (apple), bananas and pears. She     8     (like) hamburgers, but she     9     (not eat) them. She thinks they are not healthy.

Mary eats well and plays sports every day,     10     she is very healthy.