_______the road, be careful.

增加：在缺词处加一个漏字符号（∧）,并在其下面写上该加的词。删除：把多余的词用斜线（\）划掉。

修改：在错的词下划一横线，并在该词下面写上修改后的词。

1.When cross the street, he was knocked down by a car. 

2.I would be grateful for you if you give me some advice.

3.We requested him put an end to his speech.

4.After school, the students went straightly home.

5.My money has been given out.

6.She gave me a determination look—the kind that said she would never change her mind.

7.Buried himself in his research, he didn’t notice the stranger come in.

8.The earthquake caused great damages to the city.

9.The selfless doctor devoted his time to rescue the injured.

10.He broke the law, but he successfully escaped from being punished.

_______the road, be careful.

　　A. While crossing         B. When cross              C. Crossed            D. Being crossed   

_______the road, be careful.

　　A. While crossing      B. When cross      C. Crossed      D. Being crossed