--what's wrong with your pen?--the ink ____come out.A.won'tB.didn'tC.hasn'tD.can't可以分别讲一下有什么区别么?为什么能选A不能选B.D呢?

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--what''swrongwithyourpen?--theink____comeout.A.won''tB.didn''tC.hasn''tD.can''t可以分别讲一下有什么区别么?为什么能选A不能选B.

--what's wrong with your pen?--the ink ____come out.A.won'tB.didn'tC.hasn'tD.can't可以分别讲一下有什么区别么?为什么能选A不能选B.D呢?
--what's wrong with your pen?--the ink ____come out.A.won'tB.didn'tC.hasn'tD.can't
可以分别讲一下有什么区别么?为什么能选A不能选B.D呢?

--what's wrong with your pen?--the ink ____come out.A.won'tB.didn'tC.hasn'tD.can't可以分别讲一下有什么区别么?为什么能选A不能选B.D呢?
一般不用过去时, can't执行者一般是人.