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题型：单选题 题类：常考题 难易度：普通
新目标九年级上同步优化训练Unit 6 When was it invented？Section A
The piece of news {#blank#}1{#/blank#} a kind of shoes {#blank#}2{#/blank#} lights last week.
The bone {#blank#}1{#/blank#} {#blank#}2{#/blank#} the water when the dog opened its mouth.
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