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题型：单选题 题类：常考题 难易度：普通
Elsa {#blank#}1{#/blank#} {#blank#}2{#/blank#} her friend. {#blank#}3{#/blank#} {#blank#}4{#/blank#} she felt!
The new robot {#blank#}1{#/blank#} {#blank#}2{#/blank#} {#blank#}3{#/blank#} {#blank#}4{#/blank#} to our everyday life.
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