1.  It's used to record the tickets which passengers buy.

2.  Furthermore, people have used the fresh water underground .

3.  The increase of population and the development of industry have been using more and more water.

4.  In science many new technologies have been used in daily life, such as all kinds for medicine of cancer.

5.  The agriculture have been used in machine.

6.  Now in Guangzhou, the first stretch of underground railway has been used recently.

7.  Most of companies have used computers to help their work.

8.  The Use of Computers Computers have been widely used in many fields.

9.  Materials for teaching have been used for Decades.

10.  They have been used to living peacefully.