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there are living creatures in the outer space as those on Earth hasn’t been proved so far
there are living creatures in the outer space as those on Earth hasn’t been proved so far
发布时间:2020-08-17 04:42:55
there are living creatures in the outer space as those on Earth hasn’t been proved so far.
A. When
B. How
C. If
D. Whether
网友回答
A. When
B. How
C. If
(答案→)D. Whether
解析:考查主语从句:句意:外层空间是否和地球上一样有生物到现在还没有证实。AB项when,How不符合句意,C项if不能引导主语从句。选D。
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