题目内容
Everything around us is ____ solid ..liquid ____ gas.
A. not .. .but... B. either.. .or...C. neither.. .nor... D. whether.. .or...
B
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题目内容
Everything around us is ____ solid ..liquid ____ gas.
A. not .. .but... B. either.. .or...C. neither.. .nor... D. whether.. .or...
B