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Correct Answer: D) Needed.
Correct Answer: A) Have to.
Correct Answer: A) Can't.
Correct Answer: A) Shall.
Correct Answer: C) Would like.
Correct Answer: A) Mustn't.
Correct Answer: A) May.
Correct Answer: C) Could.
Correct Answer: D) Ability.
Correct Answer: B) You don't have to come.
Correct Answer: D) Have to.
Correct Answer: D) Can.
Correct Answer: A) Auxiliary verbs.
Correct Answer: B) Shall.
Correct Answer: A) Will.
Correct Answer: A) Can.
Correct Answer: C) Must.
Correct Answer: B) Don't have to.
Correct Answer: B) More formal.
Correct Answer: B) Won't be able to.
Correct Answer: D) Must.