句子排序。({#blank#}1{#/blank#}) Mr. Li says goodbye to them.
({#blank#}2{#/blank#}) Danny runs to the train.
({#blank#}3{#/blank#}) Li Ming gets the tickets.
({#blank#}4{#/blank#}) Danny is buying fruit.
({#blank#}5{#/blank#}) Danny is lost.
({#blank#}6{#/blank#}) Mr. Li looks for Danny at the train station.
