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题型：单选题题类：常考题难易度：普通

仁爱科普版九年级上Unit 4 Amazing Science Topic 1 When was it invented?同步练习1

GPS has finding out our position and studying the shape of the earth.

A、used to B、be used to C、been used to D、been used for

举一反三

Mother came into my study with a cup of milk in one of her hands, and an apple in ______.

Nancy, as well as her brother, always _______ their parents in daily life.

我们的父母对我们要求很严格。

Our parents {#blank#}1{#/blank#} {#blank#}2{#/blank#} {#blank#}3{#/blank#} {#blank#}4{#/blank#} us.

Remember, you must f{#blank#}1{#/blank#} the school rules.

Susan is angry her sister her subjects.

I {#blank#}1{#/blank#} when I heard the joke. （忍不住笑了）

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