He has never __of such a thing before.A.hear B.heared C.heard D.hearing

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He has never __of such a thing before.A.hear  B.heared  C.heard  D.hearing

He has never __of such a thing before.A.hear B.heared C.heard D.hearing
He has never __of such a thing before.A.hear B.heared C.heard D.hearing

He has never __of such a thing before.A.hear B.heared C.heard D.hearing
C
hear of 是固定词组.
这里应该是现在完成时.
而B选项本身就是错误的.

C. heard
hear的过去完成时

B.heared
hear of 是固定词组。
这里应该是现在完成时。