Do you know that Jack () a postman for about six years —Yes, I see

发布时间：2021-04-11 22:18:21

单项选择题:
—Do you know that Jack () a postman for about six years —Yes, I see.
A. has bee B. has turned C. has changed D. has been

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答案：D
解析： A、B、C三项都是终止性动词，不能和后面的for about six years连用。
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