Singular and Plural Nouns

Fill in the blanks with either singular or plural nouns.
1. Those are policemen. (men, man)
2. The boy sees an at the zoo. (elephant, elephants)
3. have dogs. (My friend, My sisters)
4. The are dirty. (basket, baskets)
5. There are many in the shop. (brush, brushes)
6. There is a standing at the bus stop. (woman, men)
7.My is on the table. (watch, watches)
8. The are sleeping. (baby, babies)
9. There are in the classroom. (a child, children)
10. There is a on the table. (glasses, glass)
11. There are ten in the bus. (woman, women)
12. There are five in the living room. (chair, chairs)
13. There are in the basket. (bananas, apple)
14. My sister has a diamond . (shirts, ring)
15. These are green. (books, pencil)