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题型:句型转换 题类:常考题 难易度:普通
China is a country {#blank#}1{#/blank#} {#blank#}2{#/blank#} {#blank#}3{#/blank#} {#blank#}4{#/blank#} 5,000 years.
{#blank#}1{#/blank#} the population of Beijing ?(对划线部分提问)
I {#blank#}1{#/blank#}first place in running.
{#blank#}1{#/blank#}did they {#blank#}2{#/blank#}the hotel successfully?
PM 2.5 is {#blank#}1{#/blank#} {#blank#}2{#/blank#} people's health and the environment.
The yellow shorts{#blank#}1{#/blank#} {#blank#}2{#/blank#}$20.
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