常用作骨移植取材骨是（）
A.腓骨
B.肱骨
C.桡骨
D.尺骨
E.胫骨
参考答案：A
看图回答问题。
1. Q: Where is the key?
A: ______________.
2. Q: Where are the books?
3. Q: Where is the eraser?
4. Q: What's on the desk?
5. Q: What's in the case?
Try this jacket on; it will be perfect ______ you.
A．in
B．on
C．by
D．for
