帮下列句子找到自己的好朋友。(将序号填在括号里)How old are you? {#blank#}1{#/blank#} A.He's my brother.
Nice to meet you. {#blank#}2{#/blank#} B.Nice to meet you,too!
What's this? {#blank#}3{#/blank#} C. It's a tiger.
Good bye. {#blank#}4{#/blank#} D.I'm nine.
Who's he? {#blank#}5{#/blank#} E.Good bye.