问题
选择题
His father______ for ten years.
A．has died
B．has been dead
C．died
D．was dead
答案
答案：B
ten years是时间段，谓语动词必须具有延续性，故选B。
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His father______ for ten years.
A．has died
B．has been dead
C．died
D．was dead
答案：B
ten years是时间段，谓语动词必须具有延续性，故选B。