给下列句子排序,组成一段通顺的对话。
{#blank#}1{#/blank#}Nice to see
you, too.
{#blank#}2{#/blank#}Let's go to
school.
{#blank#}3{#/blank#}OK, let's
go. Your bag is heavy. What's in it?
{#blank#}4{#/blank#}Hello, Mike.
Nice to see you again.
{#blank#}5{#/blank#}Some
exercise books.