[题目] --- Talking of travel, have you ever been to Chicago?--- Yes. I it twice while I was working in the US.A. have visited B. visitedC. was visiting D. would visit 题目和参考答案——青夏教育精英家教网—

题目内容

【题目】 --- Talking of travel, have you ever been to Chicago?

--- Yes. I _____ it twice while I was working in the US.

A. have visited B. visited

C. was visiting D. would visit

【答案】B

【解析】

试题分析:句意：--说到旅行，你去过芝加哥吗？--是的。当我在美国工作的时候我去过两次。根据时间状语从句可知主句是介绍过去的经历，应该用一般过去时，选B。

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