膀胱胀大可见于（）。
A. * * 梗阻
B.脊髓病
C.昏迷患者
D.腰椎或骶推麻醉后
E.急性膀胱炎
参考答案：A, B, C, D
It was____ computer games that cost the boy lot of time that he ought to have spent on his lessons.
A．to have played
B．playing
C．played
D．having played
