精选优质文档-倾情为你奉上一单项选择：1. Im sorry, Cathy, I _ your radio for such a long time. Never mind.A. have borrowed B. have lent C. have kept D. have returned2. We have been friends since _. A. children B. five years C. five years ago D. five years before 3. Miss Wu has taught in this school _.A. for ten years B. ten years ago C. since ten years D. for ten years ago4. I_ a letter from him since he left.A. didnt receive B.
