根据上下文，选择合适的答案。
This is my 1 .She’s very nice. This 2 my big brother. 3 cool. This is 4 little sister. She’s cute. 5 is my father. He’s very clever. This is my friend. He’s very naughty.
( )1. A. brother B. father C. mother
( )2. A. are B. is C. am
( )3. A. She’s B. He’s C. I
( )4. A. my B. I C. she
( )5. A. These B. is C. This
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