改错 1.— Is this your father ? —No, this isn't. ( ) _____ A B C D 2. those are my grandparents . ( ) _____ A B C D 3. Thanks to your great family photo . ( ) _____ A B C D 4. Here are my English teacher's book. ( ) _____ A B C D 5. My mother's son is my cousin . ( ) _____ A B C D