1) I really wanted to see last night's concert, but I _____ get the time off. a) may not b) couldn't c) wasn't able to 2) They _____ so early yesterday. a) didn't need to leave b) needed not to leave c) needn't have left 3) Clara _____ have passed her test because she still doesn't have her license. a) mustn't b) can't 4) This time next week, I will _____ say that I'm officially a doctor! a) be able to b) can

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