题目内容
根据句意补全下列单词：
My mother goes to work by u______g______. She doesn't like to take buses.
答案：underground
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能考试全能100分系列答案题目内容
根据句意补全下列单词：
My mother goes to work by u______g______. She doesn't like to take buses.
能考试全能100分系列答案