Answer — Exercise 1

1

1. successful
2. expense
3. responsible
4. fame
5. dangerous
6. happiness
7. musical
8. health

2

1. succeed
2. competition
3. invite
4. practice
5. collect
6. discovery
7. compare
8. decision

3

1. historian
2. photographer
3. politician
4. artist
5. psychologist
6. scientist
7. inventor
8. musician