根据短文内容，用方框里所给词的适当形式填空，每词限用一次
| fast; other; print; better; wide; kind; machine; modern; invent; necessary |
Do you know machines? Now they are__
1__ used all over the world. Why are machines so important and __
2__ to us? Because they can help us do things faster and __
3__ .
A washing machine helps us to wash clothes. A printing machine helps us to__
4__ a lot of books, news
papers, magazines and many __
5__ things quickly.
Bicycles, cars, trains and planes are all __
6__ , too. They help us to travel faster than on foot.
The computer is a wonderful machine. It was __
7__ not long ago. It not only stores information but
also numbers millions of times as __
8__ as a scientist does.
Let's study hard and try to use all __
9__ of machines. I think we can build China into a __
10__ country
in the future.