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] 4. B [推理判斷題。因句中已有介詞 to,所以只能選 B項(xiàng)。 ] 7. C [該題是表示與過(guò)去事實(shí)相反的虛擬句式,所以條件句用過(guò)去完成時(shí),省略if時(shí)要倒裝, not不用提前。 ] 3. D [句意為:我不知道你的手 機(jī)號(hào),否則我一到長(zhǎng)沙就給你打電話了。built library ________ ________ ________ all the students. Ⅴ .單項(xiàng)填空 1. — Congratulations! — Thank for your help, we________in the experiment. A. will never succeed B. shouldn’t have succeeded C. couldn’t have succeeded D. mustn’t have succeeded 2. Health problems are closely connected with bad eating habits and a________of exercise. A. limit B. lack C. need D. demand 3. I didn’t know your mobile phone number ; otherwise I________you the moment I got to Changsha. A. had rung B. would ring C. should have rung D. would have rung 4. — ’s lecture was ________. — But it was a pity that I missed it. A. worth listening B. worthy of listening C. worth listening to D. worthy to listen to 5. — How I wish I had studied harder when I was in senior school! — If you had, you________a university student now. A. are B. would be C. should D. were 6. As there is less and less coal and oil, scientists are exploring new ways of making use of ________ energy, such as sunlight, wind and water for power and fuel. A. primary B. alternative C. instant D. unique 7. ________his teacher, Li Ming wouldn’t have passed the English exam so easily. A. If it hadn’t been B. Hadn’t it been C. Had it not been for D. Were it not for 8. The group ________ a bomb outside a crowded cafe in Israel last September. A. set off B. took off C. put off D. got off 9. — Were you told to attend the meeting? I didn’t see you anyway. — ________, but I had an accident on the way. A. I was going B. I would C. I should have D. I’d like to 10. ________ is known to all, good friends ________ happiness and value to