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When the old man to walk back to his house, the sun itself behind the mountain. A. started; had already hidden B. had started; had already hidden C. had started; was hiding D. was starting; hid
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More than a dozen students in that school abroad to study medicine last year. A. sent B. were sent C. had sent D. had been sent
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Months ago we sailed ten thousand miles across this open sea, which _______ the Pacific, and we met no storms. A. was called B. is called C. had been called D. has been called
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Susan decided not to work on the program at home because she didn’t’ want her parents to know what she __________. A. has done B. had done C. was doing D. is doing
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Nowadays, a large number of women, especially those from the countryside, _________ in the clothing industry. A. is working B. works C. work D. worked
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The policeman's attention was suddenly caught by a small box which ______ placed under the Minister's car. A. has been B. was being C. had been D. would be
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Years ago we didn't know this, but recent science ______ that people who don't sleep well soon get ill. A. showed B. has shown C. will show D. is showing
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They ________ on the program for almost one week before I joined them, and now we ______ it as no good results have come out so far. A. had been working; are still working B. had worked; were still working C. have been working; have worked D. have worked; are still working
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—Why did you leave that position? —I a better position at IBM. A. offer B. offered C. am offered D. was offered
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Scientists think that the continents always where they today. A. aren’t; are B. aren’t; were C. weren’t; are D. weren’t; were
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