The lower East Side is neither rich nor beautiful, but it can be a good place to shop. On Sundays, its streets are crowded with visitors and shoppers like these. They are trying to find a coat or a
---You weren’t bored with the band? ---Far from it. I _____________ better music than this in my life. A. had never enjoyed B. had enjoyed C. have never enjoyed D.
的内角A、B、C的对边分别为a、b、c，若a、b、c成等比数列，且
，则
. 
