He is a financial manager in Wall Street now, but nobody knows he _____ part-time jobs here and there for survival for eight years.
A.does | B.did | C.had done | D.has done |
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He is a financial manager in Wall Street now, but nobody knows he _____ part-time jobs here and there for survival for eight years.
A.does | B.did | C.had done | D.has done |