1.  Now machines are widely used all over the world.

2.  I must use it to study well .

3.  he is using the language, thinking in it and talking in it all the time.

4.  In everyday life, you can use it.

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

6.  It is used to record the ticket which passenger buy.

7.  How can we use it ?

8.  It is used to record the tickets which passengers buy.

9.  It is used to record the tickets which passengers buy and to record the date on which they will travel.

10.  t is used to record the tickets which people buy.