He _____ English for ten years by the time he graduates from the university next year. [...
He_____Englishfortenyearsbythetimehegraduatesfromtheuniversitynextyear.[]A.learnedB.w...
He _____ English for ten years by the time he graduates from the university next year. [ ] A. learnedB. will have learned C. has learned D. had learned
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