肱骨中下1/3骨折，以下哪项可能出现（）

A.垂腕

B.拇指不能伸展

C.拇指不能内收

D.伸指障碍

E."虎口区"皮肤麻木

句型转换。

1. My mother got them yesterday from the post office.(改为一般疑问句)

    _____ your mother _____ them yesterday from the post office?

2. I think they would come tonight. (改为否定句)

    I _____ think they _____come tonight.

3. They are making birthday cards for Brian.(对划线部分提问)

    What _____they _____for Brain?

4. My group's favorite subject is physical education. (对划线部分提问)

    ______ favorite subject ______physical education?

5. We have lived in this neighborhood for two years. (对划线部分提问)

    ______ ______have you lived in this neighborhood?