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.A. are taking, won’t B. are taken, will C. are being taken, will D. take, won’t10. Each student can ask teachers for help if he how to work out the problem.A. will know B. won’t know C. don’t know D. doesn’t know11. You won’t catch up with your classmates ____ you work harder. A. and B. or C. unless D. if 12. The sports meet will continue ____ it rains this afternoon. A. if B. since C. as soon as D. unless13. The men will have to wait all day______ the doctor works faster.A. if B. unless C. whether D. that14. You will succeed in the end______ you give up halfway.A. even if B. as though C. as long as D. unless15. _______ you call me to say you’re not ing, I’ll see you at the theater.A. Though B. Whether C. Until D. Unless16. It is known to all that _______ you exercise regularly, you won’t keep good health.A. unless B. whenever C. although D. if 17. You must keep on working in the evening ______ you are sure you can finish the task in time.A. as B. if C. when D. unless you want me to fire you, I suggest you stop wearing sports clothes at office.A. Unless B. If C. Since D. Until19. Most animals have little connection with animals of a different kind, ______ they hunt them for food.A. if B. while C. unless D. as20. I’m not sure the letter won’t arrive in time______ it is sent by air.A. if B. until C. because D. unless寧可累死在路上,也不能閑死在家里!寧可去碰壁,也不能面壁。 C. is ing We’ll go to the library tomorrow if it ___. A. isn’t rain C. go Everyone________________ if we ________a birthday party _______ him.4. 如果明天不下雨,我會(huì)和你一起去公園的。如:除非刮臺(tái)風(fēng),否則演唱會(huì)將如期進(jìn)行。The cat will scratch you if you pull her tail. 如果你拉貓的尾巴,它就會(huì)抓你。Watching TV ads is just a waste of time.30. 雙胞胎看見(jiàn)三個(gè)穿著警服的男人從大樓里出來(lái),他們的手上有槍。 This onehour documentary takes a close look at the life of tigers in India.22. 你會(huì)意識(shí)到這些老虎面臨著多少危險(xiǎn)。 If you are a football fan, you will not want to miss this week’s programme.13. 有一些對(duì)著名運(yùn)動(dòng)員的訪談節(jié)目,還有一則關(guān)于即將到來(lái)的世界杯的報(bào)道。A dog’s work is never done.4. 除非你完成你的家庭作業(yè),你不能玩電腦游戲。 There are always famous people on these shows talking about their lives.