Key to grammar exercises, page 232

Exercise 1

1. hats
2. boys
3. letter-boxes
4. ladies
5. wolves
6. heroes
7. churches
8. leaves
9. post offices
10. calves
11. ways
12. discos
13. wives
14. roofs
15. fathers-in-law
16. valleys
17. baby-sitters
18. photos


Exercise 2

1. city
2. thief
3. nerve
4. fly
5. movie
6. watch
7. dose
8. echo
9. strawberry
10. glass


Exercise 3

1. Is it true that cats have nine lives?
2. There are no heroes in war, only losers.
3. The watches/clocks are on the shelves over there.
4. Most families in Sweden have computers nowadays.
5. Some students/pupils have pen pals in English speaking countries.
6. The thieves used knives to open the windows.