I stayed in bed all day yesterday. I __________ go ...

★ Modal Verbs

I stayed in bed all day yesterday. I __________ go to work, it was my first summer day off.

A. couldn’t

B. needn’t have

C. didn’t need to

D. shouldn’t

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You __________ have told us you were not coming, we waited for you for almost an hour!

A. would

B. must

C. might

D. need