C. Change the number of the nouns in the following sentences and make the
necessary changes as well. If there is no change possible, write NA.
1. A house has a roof.
2. His hair is curly.
3. Children like chocolates.
4. The fisherman caught a fish.
5. These grapes are sour.
6. Generally, boys like sports.
7. Lion is a wild animal.
8. There is no girl in the room.
9. Birds live in their nests.
10. I cannot understand this question.
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