I got caught in the rain and my suit _____.A. has ruinedB. had ruined C. has bee
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I got caught in the rain and my suit _____. |
A. has ruined B. had ruined C. has been ruined D. had been ruined |
答案
举一反三
When you get the paper back, pay special attention to what ______. |
A. have marked B. have been marked C. had marked D. had been marked |
If Newton lived today, he would be surprised by what ____ in science and technology. |
A. had discovered B. had been discovered C. has discovered D. has been discovered |
Professor James will give us a lecture on the Western culture, but when and where _____ yet. |
A. hasn"t been decided B. haven"t decided C. isn"t being decided D. aren"t decided |
With the help of high technology, more and more new substances _____ in the past years. |
A. discovered B. have discovered C. had been discovered D. have been discovered |
Though we don"t know what is discussed, yet we can feel the topic _______. |
A. had changed B. will change C. was changed D. has been changed |
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