Verified answer

18.2

2.How long have they been in Brazil?

3. How long have you known Amy?

4. How long has Emily been learning Italian?

5. How long has your brother lived in Canada?

6. How long have you been a teacher?

7. How long has it been raining?

18.3

2. She has lived in Wales all her life

3. They have been on holidays since Sunday

4. The sun has been shining all day

5. She has been waiting for ten minutes

6. He has had a beard since he was 20