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. scientists B. readers C. watchers D. listeners13. A. back B. down C. up and down14. A. mostly B. hardly C. usually D. normally15. A. pictures B. messages C. ideas D. calls16. 17. A. retell B. remind C. tell D. warns18. A. lasts B. continues C. goes D. es on19. A. clever B. bigger C. smaller D. foolish20. A. selected B. chosen C. fooled D. madeKeys:,starved 2,award 3,admire 4,apologize 5,remind 6,permitting 7,gained 8,belief 9,permission 10,reminds . 12, curiosity 13, balanced 14, benefit 15, tired 16, consult 17, weaknesses 18, limited 19, customers 20, discountII.1~5:DADDA6~10:CBBBC11~15:BACCA16~20:DCDCBIII. 1. dress up 2. took place 3, in memory of 4. looking forward to 5. as though 6. kept his word 7. hold your breath 8. playing a trick on 9. have fun with 10, day and nightIV. ought to 2, get away with 3, in debt 4, tells a lie 5, filled withV. 1, Doing exercise will benefit our health. 2, He got away with telling lies.3, Tom has been tired of doing the same thing every day.4, Lisa earns her living by teaching.5, You ought to have finished your homework on time.VI. DBAAB DDCBA BDCDD ABABC7。 at3. The headmaster told the boy _____ the angry teacher, but he refused to.A. to apologise to C. to apologise for D. to apologise to4. Great changes have ___________ in our hometown during the past ten years. B. took place C. happen D. taken place5. ______in a white uniform, he looks more like a cook than a doctor. A. Dressed B. To dress C. Dressing D. Having dressed6. The day I had been looking forward to ______ .A. ing B. e C. came D. es7. P