题目内容
—The expression on his face suggests he ________ have failed in the competition.
—I guess so. It’s not easy after all.
A. should B. could
C. must D. might
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题目内容
—The expression on his face suggests he ________ have failed in the competition.
—I guess so. It’s not easy after all.
A. should B. could
C. must D. might