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Correct Answer: D) Shouldn't have.
Correct Answer: D) Be able to.
Correct Answer: B) Should.
Correct Answer: D) HAS TO.
Correct Answer: B) Can.
Correct Answer: B) Was able to.
Correct Answer: B) Ought to.
Correct Answer: B) Don't have to.
Correct Answer: B) Must.
Correct Answer: C) Must.
Correct Answer: C) Don't have to.
Correct Answer: B) May.
Correct Answer: A) Don't have to.
Correct Answer: C) Will.
Correct Answer: C) Might.
Correct Answer: D) Used to.
Correct Answer: A) Permission.
Correct Answer: B) Mustn't.
Correct Answer: C) Have to.
Correct Answer: C) A solid conjecture for being in the past (must be _____ ).
Correct Answer: B) Can't.
Correct Answer: D) Need keeping.
Correct Answer: B) Can't Have.
Correct Answer: A) Mustn't.