问题
选择题
You have a big mouth, Li Fei. You ____ have told everybody the secret. [ ]
A. can't
B. mustn't
C. shouldn't
D. mightn't
答案
答案：C
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You have a big mouth, Li Fei. You ____ have told everybody the secret. [ ]
A. can't
B. mustn't
C. shouldn't
D. mightn't
答案：C