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Correct Answer: A) Must not.
Correct Answer: A) Do you think we should leave soon?.
Correct Answer: C) Have to.
Correct Answer: A) Should.
Correct Answer: A) May/ might/ could be afraid _____.
Correct Answer: D) Can.
Correct Answer: A) SHOULD.
Correct Answer: C) Must.
Correct Answer: D) Should.
Correct Answer: A) May.
Correct Answer: D) May.
Correct Answer: C) Mustn't.
Correct Answer: D) Must.
Correct Answer: C) Should do (give advice).
Correct Answer: B) Would rather.
Correct Answer: D) Was able to.
Correct Answer: B) Had to.
Correct Answer: D) Mary watched television and didn't do her homework last night.
Correct Answer: C) Would.
Correct Answer: A) Will.
Correct Answer: C) It's not necessary.
Correct Answer: D) May / might.
Correct Answer: B) Couldn't.