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- This isn’t my T-shirt. ______ is blue.
- Mary isn’t my sister. _________ is my cousin.
- There isn’t meat in the fridge.
- Beth isn’t my sister.________my cousin.
- Linda’s father isn’t an engineer. Her mother isn’t an engineer, ______ .
- This _____ my brother. ______ is my friend.
- Is this man your friend?一Yes,.
- Is this your father? No, ________.
- This isn’t _____book.________is on the desk.
- Gina , isn’t this book ________?—– Yes , it used to belong to ____, but from now on it isn’t .