【单选题】Healthy guilt is a warning signal that either something dangerous is about to happen or something has already happened that need【21】. A feeling of distress is good when it keeps us from【22】our own val...
【简答题】______ I had time, I would have run round that lake again. A. If B. Unless C. Had D. When 24. Not only ______ a promise ,but he also kept it. A. had he made B. he had made C. did...