Can you turn left? [ ]
A. Yes, I do.
B. No, I can't.
答案:B
上颌骨骨折后复位固定的时间最迟不应超过()
A.1周
B.2周
C.3周
D.4周
E.没有限制
Paul is taller than Tony.
A.a little
B.more
C.very
D.quite