Вставьте артикли, где необходимо, в следующих предложениях: 1. This is ... book. It is my ... book.
2. Is this your ... pencil?
3. No, it isn't my ... pencil; it is my sister's ... pencil.

1. This is a book. It is my book.
2. Is this your pencil?
3. No, it isn't my pencil; it is my sister's pencil.

1. This is a book. It is my book.

2. Is this your pencil?

3. No, it isn't my pencil; it is my sister's pencil.

Объяснение: артикль только в первом предложении