How I wished I answer the teacher's question yesterday.A.couldB.were able toC.ha
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How I wished I ________ answer the teacher's question yesterday.
A.could
B.were able to
C.had been able to
D.would
试题答案
C
根据句中时间体语yesterday得知，wish后要用与过去实事相反的虚拟语气。