1.  Time pass fast.

2.  They help us to travel faster than on foot .

3.  It not only stores information but also calculates numbers millions of times as fast as a scientist done .

4.  The first one is our classmate Li Yun and another shout loudly "come on ,come on!" she runs so fast that other runners fall behind.

5.  Now it is possible to find out much faster which planes are full and which planes still have free eats on them.

6.  Now it's possible to find out much faster which planes are full and which planes still have free seats on them.

7.  Because it's fast and exciting .

8.  They did any work would be careful and fast .

9.  Time pass fast.

10.  I couldn't imagine that he left this world so fast.