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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

It was a fine day yesterday. I ________ have taken my raincoat with me.

A. couldn’t                  B. needn’t                   C. shouldn’t                D. mustn’t

It was a fine day yesterday. I ________ have taken my raincoat with me.

A. couldn’t            B. needn’t              C. shouldn’t           D. mustn’t

I’m feeling sick. I __________so much chocolate.

   A. needn’t have eaten                       B. couldn’t have eaten

   C. mustn’t have eaten                       D. shouldn’t have eaten

I’m feeling sick. I __________so much chocolate.