| Iran's first nuclear power plant started supplying electricity to the national grid on Saturday, ____ on stream after years of delays, Iran's ISNA news agency reported. |
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| A. to come B. come C. having come D. coming |
| Across North China _____ in the world, namely the Great Wall. |
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| A. the longest wall runs B. runs the longest wall C. does run the longest wall D. does the lon  gest wall run |
| Look, ____ fashionable clothes is she wearing that all the eyes are fixed on her! |
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| A. so B. such C. how D. what |
The split between humans  and living apes is thought by some scholars ____ 15 to 20 million years ago. |
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| A. to occur B. occurring C. to have occurred D. having occurred |
| ___ a certain doubt among the people as to the practical value of the project. |
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| A. There remains B. It has C. They  have D. It remains |
| The traffic problem we are looking forward to seeing ____ should have attracted the local government's attention. |
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| A. solving B. solved C. to solve D. solve |
| With April 18's railway speedup, highway and air transport will have to compete with _____ service for passengers. |
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| A. good B. best C. better  D. the best |
| — How was your trip abroad? — Great. The only pity is that I _____ to buy some gifts for my friends. |
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| A. forgot B. forget C. would forget D. was forgetting |
| ____ the flight to Beijing will be delayed is ____ I'm especially worried about. |
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[ ] |
| A. If; what B. Whether; that C. When; that D. Whether; what |
| Many questions have been answered by John. He must have previewed the lessons last night, _____ he? |
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A. needn't B. hasn't C. mustn't  D. didn't |
| — I'll be able to come to see your performance at 8:30 tomorrow evening. — I'm sorry, by then my performance ___ and I ____ reporters in the meeting room. |
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| A. will be ended; will meet B. is to end; will meet C. will have ended; will be meeting D. will end; am going to meet |
| Being physically examined for free twice a year is what every clerk _____ be ensured in any company of the state. |
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| A. must B. ought to C. shall D. need |
| I had just got up and was about to cook my breakfast _____ the telephone rang loudly, but it hung up _____ I could answer it. |
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| A. when; before B. while; before C. when; until D. as; after |
| If a computer crashes, you will lose the file you ______ on if you don't save it early enough. |
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| A. work B. are working C. will work D. worked |
| — We shall take the conditions into careful account ____ you have attached to this contract. — Thanks. Hope for further cooperation. |
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| A. as B. what C. where D. which |