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题型:单选题 题类:模拟题 难易度:普通
①developing countries {#blank#}1{#/blank#}
②developed countries {#blank#}2{#/blank#}
③So do I. {#blank#}3{#/blank#}
④ So it is. {#blank#}4{#/blank#}
She {#blank#}1{#/blank#} {#blank#}2{#/blank#} {#blank#}3{#/blank#} {#blank#}4{#/blank#} {#blank#}5{#/blank#} animals at an early age.
It is interesting to {#blank#}1{#/blank#} {#blank#}2{#/blank#} in winter.
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