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Correct Answer: A) Infinitive form.
Correct Answer: D) Would.
Correct Answer: A) Can.
Correct Answer: A) May.
Correct Answer: C) Can clone / can't clone.
Correct Answer: A) Mustn't.
Correct Answer: B) Need to.
Correct Answer: B) Might.
Correct Answer: A) Might.
Correct Answer: C) Necessity.
Correct Answer: C) May.
Correct Answer: A) He could ride a bike when he was 9 years old.
Correct Answer: D) Could not.
Correct Answer: D) Can.
Correct Answer: A) Must be.
Correct Answer: A) Must/ may.
Correct Answer: B) Could.
Correct Answer: D) Permission.
Correct Answer: B) Must.
Correct Answer: D) Can't.
Correct Answer: C) Will be able to see.
Correct Answer: B) Can.
Correct Answer: C) You mustn't smoke _____.
Correct Answer: A) Add "not" after the modal.