Unit 4 My Family Lesson 3习题一、单项选择。( ) 1. This is my father _ this is my mother.A. and B. but C. so D. or ( ) 2. _ you got any brothers? A. Have B. Has C. Are D. Do( ) 3. Who is that girl? _. A. She is 12 B. She is a girl C. She is my sister D. She is in Class One( ) 4. These are my _.21世纪教育网A. brother B. father C. sisters D. mother( ) 5. Is this your brother?