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Without air and water, none of the living things on earth______.
Without air and water, none of the living things on earth______.
admin
2010-02-22
55
问题
Without air and water, none of the living things on earth______.
选项
A、existed
B、would exist
C、would have existed
D、exists
答案
B
解析
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0
专业英语四级
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