Question 22. Different from English taught to all Vietnamese students, Chinese and Russian have been made optional languages taught at secondary schools in Viet Nam. A. compulsory​B. important C. comfortable D. necessary Question 23. The assembly line is clearly out of whack, we have to report to the manager. A. damaged​B. impaired C. defective D. working Mark the letter A, B, C, or D on your answer sheet to indicate the option that best completes each of the following exchanges. Question 24. Tom and Tony, two school boys, are talking in the classroom. - Tom: “Can I borrow your pen, Tony?” - Tony: “ ​.” A. Not at all B. You’re welcome C. Sure. Here you are D. Yes, I’d love to Question 25. Two students are talking about their favorite subject. - Alice: “Zoology is one of the most boring subjects.” - Mary: “ ​. Studying animals we develop a better understanding of how we, ourselves, function and interact with the world around us” A. I think you’re right.​B. I couldn’t agree more. C. Yes. It’s very exciting.​D. I’m afraid I’m not with you.