题目内容
用所给动词的适当形式填空:
( keep develop become hang prepare write hear see work do introduce )
Mr. White works as a lawyer now, but he ________ in a company for several years.
答案:had worked
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题目内容
用所给动词的适当形式填空:
( keep develop become hang prepare write hear see work do introduce )
Mr. White works as a lawyer now, but he ________ in a company for several years.