题目内容
Air is________and of no smell but we can feel its motion when there is a wind.
A.unavoidable B.unavailable C.unaccessible D.invisible
【答案】
D
【解析】
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题目内容
Air is________and of no smell but we can feel its motion when there is a wind.
A.unavoidable B.unavailable C.unaccessible D.invisible
D
【解析】