①Who is he? {#blank#}1{#/blank#}          a. She's my sister.

②Are you Mrs. Wang?{#blank#}2{#/blank#}     b.He's my brother.

③Who is she?{#blank#}3{#/blank#}           c. No, I'm not.

④Is she fat?{#blank#}4{#/blank#}             d. Yes, she is.

① Good afternoon, Helen.{#blank#}1{#/blank#}   A. Good afternoon, Mr. Green.

② Nice to meet you.   {#blank#}2{#/blank#}         B. Fine, thank you.

③ How are you?   {#blank#}3{#/blank#}                C. Nice to meet you, too.