下肢骨折引起整个肢体极度外旋位时，最可能的损伤，是
A．股骨颈骨折
B．股骨转子间骨折
C．股骨干骨折
D．股骨髁上骨折
E．髋关节中心型脱位
参考答案：B
Did you spend 20 dollars _____ this computer game? [ ]
A. to buy
B. pay
C. buying
D. paying
When the grace period expires, the contract（）
A．annulled
B．being annulled
C．annull
D．is annulled
