补全对话,每空一词。Sam: What {#blank#}1{#/blank#} do you like, Jack?
Jack: I like lions.
Sam: Why do you like lions?
Jack: {#blank#}2{#/blank#} they're pretty smart. What {#blank#}3{#/blank#} you, Sam?
Sam. I like elephants.
Jack: {#blank#}4{#/blank#}
Sam: Because they're strong and intelligent.
Jack: {#blank#}5{#/blank#} are lions and elephants from?
Sam: {#blank#}6{#/blank#} from Africa.