Answer:
I must get an A on my test!
Mother must I go to bed now?
She must be crazy to say such a thing.
I must have missed my alarm!
The look on my mother's face told me that I must not have done what she wanted.
I must not mess up at my piano recital.
The teacher has a funny name, but I must not laugh.
I must not fail.
I hope this helps!
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Ciao!
♥, Sadie