I ____ a League member for two years.I ____the first to join
I ____ a League member for two years.I ____the first to join the League in my class in 2008.
A. am,am B became,was C have become,has been D have been,was
A. am,am B became,was C have become,has been D have been,was
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选D.第一个因为有for two years所以用现在完成时态,由于two years是很长的一段时间,所以用延续性动词be,而不是短暂性动词become,排除ABC三个选项.
1年前
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