B
1.. He is very thin
2. They are very expensive.
3. It is very long.
4. Is he a businesbusinessman?
5. We would like some tea.
6. These are our books.
7. They are in the garden.
8.
9. It is grey. They are long.
10. Their books are in the classroom.
11 This is his coat but these are their coats
C
1. The coat is hers.
2. It is mine. Don't eat.
3. That red book is not his. It is blue.
4. Look at them .Are they ours?
5. Are those glasses yours or mine? I think they are yours. Mine aren't on the table. They are in my bag.