- 题目中心
Leonardo da Vinci(1452-1519)______birds kept in cages in order to have the pleasure of setting them free.
（2分）
Ais said to be buying
Bis said to have bought
Chad said to buy
Dhas said to have bought
参考答案：（本答案仅供参考，请以官方发布为准。）
查看答案
B
