Revision
Across
- 2. to succeed in doing something difficult
- 4. this person is friendly, pleasant, and welcomes visitors
- 5. someone who speaks or does something officially for another person
- 6. something dirty or poisonous
Down
- 1. an increase in the temperature of the air around the world because of pollution
- 3. a discussion where different opinions are expressed
- 7. not giving a name