already
这是一个肯定句.否定和疑问的时候才用yet
Many scientists have ____(aready,yet)been to the North Pole.
2个回答
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at the North Pole和on the North Pole 的区别
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do you think it possible for the North pole to have ___a few
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Have you been to the______yet?
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Have you been to yet?No,l haven' been to.yet.北京
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scientists have yet to determine the date怎么翻译?主要是yet,决定还是没决定
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have to do .many of the ideas which scientists tell us have