______ is known to us all that the old scientist,for ______ life was hard in the past,still works hard in his eighties.( ?。?/h1>
【考點(diǎn)】it作形式主語(yǔ).
【答案】A
【解答】
【點(diǎn)評(píng)】
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發(fā)布:2024/4/20 14:35:0組卷:75引用:6難度:0.9
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