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这儿while后面省略he,是单纯的主语一致省略还是别的规则Sam,thelocalbutcher,hadlosthiswalletwhiletakinghissavingstothepostoffice

题目详情
这儿while后面省略he,是单纯的主语一致省略还是别的规则
Sam,the local butcher,had lost his wallet while taking his savings to the post office
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答案和解析
while taking =while he was taking=while he took
省略了主谓
sam和take之间是主谓关系,所以用现在分词
这是新概念2册的一篇课文