听对话，用数字给下列句子排序。{#blank#}1{#/blank#} A girl. She's short and thin.
{#blank#}2{#/blank#} Hi, John. I have a new friend.
{#blank#}3{#/blank#} Is she Lanlan?
{#blank#}4{#/blank#} No. She has long hair and her bag is red.
{#blank#}5{#/blank#} Yes. You're right.
{#blank#}6{#/blank#} A boy or girl?
{#blank#}7{#/blank#} Who is she? Mengmeng?
