用所给的单词的适当形式填空。

1. Can you________(help) me with my math?

2. please_________(stay) on the sidewalk.

3. _______ (not cross) the street now.

4. Let’s________ (sing) this song together.

5. Be careful! A car______ (come).

6. I like ______(stay) at home on Sundays.

7. You can_______(go) along this road until you reach the end.

8. Let the old_________(sit) down first.

对前臂双骨折治疗的论述，错误的是（）

A.可采用手法复位外固定治疗

B.若一骨干为横形骨折，另一骨干为斜形骨折，手法复位时应先复位横形骨折

C.尺桡骨均为横形骨折，且骨折发生在中段，应先复位桡骨

D.应警惕骨筋膜室综合征的发生

E.X线证实骨折愈合前，禁止前臂旋转活动