题目内容
【题目】There are three underground lines in Chengdu, and several lines are construction.
【答案】under
【解析】under 固定词组:under construction正在施工当中,故填under。
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题目内容
【题目】There are three underground lines in Chengdu, and several lines are construction.
【答案】under
【解析】under 固定词组:under construction正在施工当中,故填under。