2. 外语
  3. ______the atmosphere around our Earth, we would not be able to live.

______the atmosphere around our Earth, we would not be able to live.

admin2018-09-11  37
问题 ______the atmosphere around our Earth, we would not be able to live.
选项 A、Had it not been for
B、Would it not be for
C、If it has not been for
D、If it were not for
答案D
解析 这是一道语法题，考点是虚拟语气的用法。
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