题目

As the Smiths were about to ______ on their journey to the UK, Mrs. Smith found her passport missing. A ． take down B ． take off C ． set up D ． set out 答案： D 【解析】 【详解】 句意：当史密斯一家要出发去英国时，史密斯太太发现她的护照不见了。 考查动词短语辨析。 take down 记下； take off 起飞； set up 建立； set out 出发。根据 “As the Smiths were about to … on their journey to the UK” 可知，此处指出发去英国，故选 D 。

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