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______it or not, his discovery has created a stir
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特斯拉的创始人是被称为特斯拉之父的著名的Elon Musk。()
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If not ______ equally, Jack will frankly express his dissatisfaction.A.treatedB.having bee
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When Elon Musk says, as he did this week, that his new priority is using artificial inte
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His sister left home in 1998, and _______since.A. has not been heard of B. has not bee
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John has made up his mind not to go to th
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John has 【made up his mind 】not to go to the meet