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26. The last elephant of that kind __________ since the earl

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26. The last elephant of that kind __________ since the early of last century.
A. died B. has died C. was dead D. has been dead
选什么?这句话什么一死
选B
be dead表示状态,这里用了完成时,就变成了has been dead,后面可以用for接一段时间词.而has died表示动作,后面不可以用for连接一段时间词,但可以用since+过去时间词.
例:
The soldier has been dead for 1 year.
=The soldier has died since 1 year ago.
这个战士已经牺牲一年了.(1年前就牺牲了)