应答配对,在横线上写上相应应答句的编号。
①How old are you?{#blank#}1{#/blank#} A. He's nine.
②How old is Danny?{#blank#}2{#/blank#} B. I'm fine.
③How old is Alice?{#blank#}3{#/blank#} C. She's nine.
④How are you?{#blank#}4{#/blank#} D. He's fine.
⑤How is your father? {#blank#}5{#/blank#} E. I'm nine.