补全下面的对话。David: Hi, Linda.
Linda: Hi, David.
David: How do you come to{#blank#}1{#/blank#}?
Linda:{#blank#}2{#/blank#}, I come by bus. Sometimes I come by {#blank#}3{#/blank#} . What about you?
David: I{#blank#}4{#/blank#}come on foot.
Linda: That's good{#blank#}5{#/blank#}.
