题目内容
【题目】I was just about ______road ______a ship came to us.
A. traveling on;while B. to travel on;while
C. to travel by;when D. traveling by;when
【答案】C
【解析】考查固定搭配,用when引导的时间状语从句常连接:be about to do sth when…表示正要做某事,突然发生其他事,故选C。

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