A. 1. Students borrow books from the library.
2. People go to hospital when they are ill.
3. We go to the Post Office to send letters.
4. For milk, coffee and ham we go shopping to grocery.
5. We buy fruits and vegetables from greengrocer.
B. Buildings : 4, 6, 10,
Jobs: 1, 12, 15
Place to have fun: 2, 5, 8, 13, 14
Animals:9, 11,
Food: 3, 7
C1. can
2. mustn't
3. must
4.can't
5.must
6. can
7.must
