问题
选择题
I _____ have watched that movie -it'll give me horrible dreams. [ ]
A. couldn't
B. needn't
C. shouldn't
D. mustn't
答案
答案：C
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I _____ have watched that movie -it'll give me horrible dreams. [ ]
A. couldn't
B. needn't
C. shouldn't
D. mustn't
答案：C