膀胱三角位于膀胱的部位是 ( )
A．膀胱底
B．膀胱体
C．膀胱颈
D．膀胱尖
E．膀胱前壁
参考答案：A
—Mr Black，what about my application?
—Oh，I regret________you that it hasn’t been successful.
A．telling
B．to tell
C．having told
D．said
侧晕
