Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions 15. He worked the whole night last night. His eyes are red now. A. If he didn't work the whole night, his eyes wouldn't be red now. B. If he hadn't worked the whole night last night, his eyes wouldn't be red now. C. He worked the whole night last night otherwise his eyes were red now. D. Unless he worked the whole night last night, his eyes were red now. 16. I was so busy. I couldn't come to her birthday party. A. I was busy enough to come to her birthday party. B. I was too busy to come to her birthday party. C. Her birthday party made me really busy. D. I came to her birthday party so I was too busy. Mark the letter A, B, C, or D on your answer sheet to indicate the word whose underlined part differs from 17. A. cheap B. child C. chair D. chemist 18. A. teased B. caused C. increased D. advised Mark the letter A, B, C, or D on your answer sheet to indicate the option that best completes each of the following exchanges. 19. Two students are talking about gender equality. Duong: "From my point of view, husbands and wives should share the household chores equally." Mai: "______ Housework, therefore, is no longer a burden on women" A. You must be kidding! B. There's no doubt about it. C. What nonsense! D. I don't think that's a good idea. 20. Paul and Mary have been dating for two weeks and he is asking her to go out for dinner. - Paul: "Would you like to have dinner with me?" - Mary: "______" A. I'm very happy. B. Yes, I'd love to. C. That's very nice of you. D. Yes, please.