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have worked D. have worked。amp。 X167。 X167。 B. Several minutes later, check the answers. [來(lái)源 :學(xué) +科 +網(wǎng) ] StepⅤ Practice Give the students more exercises. If time is limited, this part can be assigned as the homework. 1. If a man _____ succeed, he must work as hard as he can. A. will B. is to C. is going to D. would 2. I’ve won a holiday for two weeks to Florida. I _____ my mom. A. am taking B. have taken C. take D. will have taken 3. The train _____ for the city a t ten, so you have enough time to make preparations. A. leaves B. is leaving C. is to leave D. is going to leave 4. —Why have you bought so much food? — Some friends of mine _____ to stay with me for the weekend. A. e B. were ing C. will have e D. are ing 5. — You’ve left the light on. — Oh, _____ and turn it off. A. I’ll go B. I’ve gone C. I go D. I’m going 6. All morning as she waited for the medical report from the doctor, her nervousness _____. A. has grown B. is growing C. grew D. had grown 7. The mayor of Beijing says that all construction work for the Beijing Olympics _____ by 2020. A. has been pleted B. has pleted C. will have been pleted D. will have pleted 8. Sales of CDs have greatly increased since the early 1990s, when people _____ to enjoy the advantages of this new technology. A. begin B. began C. have began D. had begun 9. Turn on the television or open a magazine and you _____ advertisements showing happy families. A. will often see B. often see C. are often seeing D. have often seen 10. I _____ you not to move my dictionary — now I can’t find it. A. asked B. ask C. was asking D. had asked[來(lái)源 :] 11. When Mark opened the door, he saw a woman standing there. He _____ he