20)

1. It’s important to give money to help  people who are worse off than we are - C) charity

2. We need to make the punishments for  using these substances much harder - A) drug abuse

3. We shouldn’t make decisions about people  based on their colour or ethnic origin - F) racism

4. Then government should pay for  everyone to have a place to live - D) homelessness

21)

Здесь напишу только ответы, потому что выбивает ошибка: "Решение имеет ненормативную лексику и поэтому не было добавлено"

1. Euthanasia.

2. Genetic engineering.

3. Death penalty.

4. Freedom of speech.

5. Gambling.

16)

1. I get bored when I don’t have anything to do.

2. I get embarrassed when I say something stupid in class.

3. I get exhausted if I work too late at night.

4. I get worried if I hear some bad news.

5. I get upset if my little brother messes up my  room.

6. I get nervous before an important exam.

7. I am in a bad mood if the weather’s not very good.