The roads have to be (wide) ______ so that the problem of traffic jam can be sol

游客2024-07-06 31

问题 The roads have to be (wide) ______ so that the problem of traffic jam can be solved.

选项

答案 widened

解析根据句子结构，这里需要一个动词，wide的动词形式为widen，意为“加宽，变宽”，又因为这是一个被动结构．所以应该用过去分词widened。“-en”除了可做动词性前缀以外，还可用于词尾，也生成动词，比如：soft--soften(使软化)；fast--fasten(使固定)等。

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