The city has improved a lot I came here a few years ago. A. sinceB. forC. when

发布时间:2020-08-22 10:20:09

The city has improved a lot      I came here a few years ago.
A. since         B. for            C. when

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解析:since自从……以来;for 为了,可以表示原因目的等;when当……时。句意:自从我几年前来到这个城市以来,这个城市变得好多了。故选A.
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