Answer: A) Be taken.
Explanation for this question is being written.
Answer: A) Can't
Answer: A) Must
Answer: B) Can't
Answer: C) Must
Answer: B) Certainty
Answer: A) Have been.
Answer: E) Must
Answer: B) Must
Answer: A) Must study.
Answer: B) Cannot
Answer: A) Will & won't.
Answer: C) Mustn't
Answer: A) Mustn't have passed.
Answer: A) I'm sure you will love this movie.
Answer: B) Must be.
Answer: D) Yes, 'must' can be used to express a strong recommendation.
Answer: A) Have
Answer: A) Must have been.
Answer: D) Must
Answer: C) Must have worn.
Answer: A) Certainty about the present.
Answer: C) Must have.
Answer: B) Must have.
Answer: D) Must have cheated.
Answer: B) Alex couldn't have been ill.
Answer: B) Incorrect
Answer: A) The lights are off. They must have left already.
Answer: B) It can't be harmless.
Answer: A) Must've left.
Answer: B) Deduction
Answer: A) Must like.
Answer: C) Must be.