Chose the correct answer:kèm gthic ạ A. unrequited B. unrepresentative C. unreliable D. unreasonable 2. Nylon, a synthetic ___ from a combination of water, air, and a by-product of coal, was first introduced in 1938. A. to make B. make C. made D. making 3. This dress is eye-catching, and many people________ me on it. A. complain B. complement C. compliment D. complementary 4. Bill is jealous ________ your promotion. A. with B. of C. at D. about 5. _______ are sought by an elementary school. A. Mentally retarded teachers B. Teachers retarded for mental cases C. Teachers for the mentally retarded D. Mental retarded case teachers 6. Since I came in half an hour late this morning, I have to stay until 5:30 to _______ for it. A. make up B. save up C. keep up D. hold up 7: We all believe that a happy marriage should be ___ mutual love. A. based on B. concerned with C. confided in D. obliged to 8: According to ___ people, most animal and plant species on earth will soon die out. A. optimists B. pessimistic C. pessimists D. optimistic |