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题型：单选题题类：常考题难易度：普通

高中英语人教版（新课程标准）2017-2018学年高二下册选修七Unit 2 Robots同步练习2

In the 1950s in the USA, most families had just one phone at home, and wireless phones _______ yet.

A、haven't invented B、haven't been invented C、hadn't invented D、hadn't been invented

举一反三

—Have you heard about that fire in the market?

—Yes, fortunately no one ______.

After the accident, he {#blank#}1{#/blank#} (ban) from driving alone.

Many men were b{#blank#}1{#/blank#} underground when the accident at the mine happened.

He was {#blank#}1{#/blank#}(抛弃)by his cruel parents when born because of his disability

When walking down the street, I came across Mary, whom I {#blank#}1{#/blank#} (not see) for ages.

The house is h{#blank#}1{#/blank#}(藏) from view by a row of tall trees.

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