---we are going there by _____ sea.---Don’t you&

---we are going there by _____ sea.---Don’t you think it too slow? Why not take ______train?A.the; /B.the; theC./; /D./; the

D解析考查冠词的用法。乘交通工具，用by时不加冠词，用take,需加冠词，by sea 乘船，take the train乘火车，故选D。

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