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By the time I went to Canada I English for eight years.A.learntB.has learntC.had

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By the time I went to Canada I English for eight years.A.learntB.has learntC.had

By the time I went to Canada I ________ English for eight years.

A.learnt

B.has learnt

C.had learnt

D.have been learning

试题答案

C