Leonardo da Vinci birds kept in cages in order to have the pleasure of setting them free. A.is said to be buying B.is said to have bought C.had said to buy D.has said to have bought 答案 B 解析 sb./sth.is said to do sth.据说某人/某物做某事.因为买鸟这一动作发生在说之前.因此此处应用 不定式的完成时态. 【查看更多】
