Mark the letter A, B, C or D to indicate the sentence that is closest in meaning to each of the following questions. 1. You shouldn’t swim in that polluted lake. A. Don’t swim in that polluted lake. B. Let’s pollute the lake. C. How about swimming in that lake? D. You have to swim in that polluted lake. 2. Teacher robots might teach all subjects in the future. A. Teacher robots can’t replace all subjects. B. Teacher robots will be able to teach all subjects in the future. C. Teacher robots won’t be able to teach us. D. Teacher robots will be useless in the future. 3. You can use my car. However, you have to keep it carefully. A. If you don’t use my car, you will have to keep it carefully. B. If you use my car, you won’t have to keep it carefully. C. If you use my car, you will have to keep it carefully. D. If you use my car, you will have it carefully. 4. Press this button to start the car. A. If you want to start the car, don’t press this button. B. If you don’t want to start the car, please press this button. C. If you want to start the car, press this button. D. If you want start the car, please press this button. 5. If he doesn’t work hard, he will lose his job. A. Unless he work hard, he will lose his job. B. Unless he works hard, he will lose his job. C. Unless he doesn’t work hard, he will lose his job. D. When he works hard, he will lose his job.