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.mustB.shouldC.must haveD.should have
C
既然已经通过考试,自然是以前阅读广泛﹑用心学习了,故在C﹑D中进一步选择,D项表示本应当,因不附题意而被舍去。
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