4- Write the right plural for each word.
1.books
2.boys
3.tomatoes
4.teachers
5.lives
6.germans
7.watch
8 .sheep
9 .fechmen
10.pianos
11.children
12.babies
13.photos
14 benches
15.buses
16.boxes
17.teeth
18.feet
19.chinese
20.wish
21.brush
22.play
23. ships
24. leaves
25. excercises
26. cities
27. glasses
28. man-drivers
29. footballers
30. classes