N.1. Какие из слов собирательные?

Essay about fast food is bad for health
Now fast food is very popular. Many people like it and often visit fast food cafes. There everyone can eat pizza, hamburgers, chips and drink sodas. These products are very tasty, so adults and children prefer them. In addition, they are cheap. They can be cooked quickly. Now there are many cafes in which you can come to lunch and quickly eat. But according to some opinions fast food is bad for health. Some people are sure that such food leads to different diseases, so it is necessary to eat healthy food. Many people like tasty food, but they do not think about its harm. Fast food has many advantages. This food is delicious and cheap. Everyone can buy and eat it in a cafe, at home or in transport. But fast food has much harm. For example, a lot of preservatives, dyes, oil are contained in it. These substances harm human health, lead to obesity. There are problems with the stomach, heart, liver, which appear because of fast food. Also, unhealthy food makes the skin ugly.

1. We  should  invite the Nortons to our party. They are nice people.

2. Young children  shouldn't  stay at home on their own.

3. Before you go to the dentist's, you  should  brush your teeth.

4. You  mustn't  smoke in bed!

5. You  should  shut the windows because it is raining.

6. You  mustn't  forget her birthday again.

7. You  should  go to the theatre when you are in Vienna. It's great.

8. They  shouldn't  tell her about John's accident. She could break down.

9. You  mustn't  cross the street when the traffic lights are red.

10. The doctor told Charlie that he  shouldn't  drink too much alcohol.