1.  It took me more than forty-five minutes to with it !

2.  In the 1990's, the development of computer took on a very high speed.

3.  As soon as the water turned back, they took an active part in rebuilding their house .

4.  This week, it's our turn to sweep the school , On Monday, we went to school at 6:45, the sky was too black, and the street had nobody, we started working , the ground had many leaves , It took times for us to carry he eaves .

5.  After thirty years, our school took on a new look ,now it has 128 teachers and 1538 students, six grades and thirty classes.

6.  Yesterday we heard Miss Yang's daughter had been taken to hospital, then we hurried to the hospital to see Miss Yang and her daughter.

7.  can clean the air, when the air is dirty, it take in the harmful gas and give out the O2 , then the air becomes good, and it make us good health .

8.  Trees also can stop the win and swift water from taking out the soil then it do good to the farms, and make the harvest good .

9.  Wu Dong jump into the river without taking off the clothes.

10.  I took off my clothes and jumped into the river.