1.In spite of cutting his hand during operation,but he still went on working.
2.The computer plays an important role in the modern life .
3.Our class is made up of 20 boys and 25 girls.
4.We must make full use of our time.
5.Please check your papers carefully to make sure no mistakes.
6.Please put the blackboard rising a little so that everyone can see.
7.Sorry,taken up you so much time.
8.The old bookstore is three times large as the size of that old bookstores .
9.Why not try to exercise some weight?