Manyscientistsareusingadvancedt

发布时间：2020-07-28 17:30:29

Many scientists are using advanced telescopes ________ further and further ________ space.A.to look; into theB.looking; inC.and look; intoD.to look; into

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D解析导解：不定式作状语表目的．look into space中space不加冠词，是抽象名词．
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