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he has worked as a report since 2000,根据since 2000提问?

题目详情
he has worked as a report since 2000,根据since 2000提问?
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答案和解析
How long has he worked as a reporter?
首先,记者是reporter
其次,这里用现在完成时加since是表示已经做记者做了多久,不是问时间点,而是问时间段(当了多久记者),所以是how long