The key answer of exercise 2

a)

1. Hassan and Walid are brothers. They live in a small house in the desert.
2. They’re very poor, and they don’t have anything. Every day is the same.
3. Hassan works, but Walid doesn’t.
4. She has a ring. She doesn’t want to sell it because it was her husband’s ring.
5. Because he wants to help his mother.

b)

1. a desert
2. mountains
3. a field
4. the sky