As more people travelled on the underground, the system was ________ and more lines were added. A.en...
2022-05-28 15:07:26 70次 江苏省2019-2020学年高二下学期期中英语试卷 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
As more people travelled on the underground, the system was ________ and more lines were added.
A.enlarged B.alarmed C.fined D.violated
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