题目内容
-- Guess what? I have got A for my term paper.
-- Great! You ___ read widely and put a lot of work into it.
A. must B. should C. must have D. should have
C

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题目内容
-- Guess what? I have got A for my term paper.
-- Great! You ___ read widely and put a lot of work into it.
A. must B. should C. must have D. should have
C