Answer: C) Strong necessity.
Explanation for this question is being written.
Answer: B) Often reversible and treatable.
Answer: B) Mustn't
Answer: C) Must not.
Answer: A) MUST
Answer: A) Must
Answer: A) Must not.
Answer: B) Must respect.
Answer: C) Students mustn't bring food into the computer room.
Answer: B) Must not.
Answer: A) All new soldiers must have a medical examination.
Answer: D) Must
Answer: C) Mustn't cheat.
Answer: B) Must
Answer: A) Mustn't
Answer: D) You must pay attention to the lecture.
Answer: C) Must
Answer: C) Mustn't eat.
Answer: C) Mustn't
Answer: B) False
Answer: A) Necessity
Answer: A) True
Answer: C) You mustn't leave work before 6pm.
Answer: D) To describe an obligation.
Answer: A) Must / have to.
Answer: D) Don't have to.
Answer: A) INCORRECT[should be "must pray"].
Answer: C) Bring it to the office for me to pick up at 2:20.