Answer: A) Must
Explanation for this question is being written.
Answer: B) Mustn't
Answer: B) Must
Answer: A) Yes
Answer: C) Must
Answer: B) Don't have to.
Answer: D) Mustn't
Answer: B) When the speaker personally feels something is important.
Answer: A) Mustn't
Answer: A) Finish
Answer: C) Mustn't / might.
Answer: C) We mustn't write on the walls or tables in our classroom.
Answer: A) You mustn't make.
Answer: A) Paying a library fine.
Answer: C) Mustn't smoke on this train.
Answer: C) Must follow the law like everyone else.
Answer: A) Must be corrected.
Answer: A) You mustn't go into the garden.
Answer: D) Must
Answer: A) Must have / tested.
Answer: C) Obligation
Answer: C) Mustn't
Answer: D) Are required to.
Answer: A) Must be reviewed.
Answer: A) Incorrect
Answer: A) Have to.
Answer: B) We must go.
Answer: A) Must want.