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Correct Answer: C) Should.
Correct Answer: B) Can you close the door.
Correct Answer: B) Might have lost.
Correct Answer: A) Could.
Correct Answer: B) Must.
Correct Answer: C) Can.
Correct Answer: B) Mustn't.
Correct Answer: A) Will.
Correct Answer: C) Ought.
Correct Answer: D) Are not allowed to.
Correct Answer: A) Might.
Correct Answer: D) Can.
Correct Answer: A) Express obligation.
Correct Answer: D) May.
Correct Answer: A) Would.
Correct Answer: C) Mustn't.
Correct Answer: C) Have to.
Correct Answer: A) Obligations and prohibitions.
Correct Answer: A) Mustn't.
Correct Answer: D) You must finish your homework.
Correct Answer: A) Can.
Correct Answer: C) Don't have to.