Rewrite these sentences : Exploring the world of Personal Computer is fascinating. They burned the plastic bottles and old plastic bags. It isn’t good. Keeping the environment clean is extremely important. Understanding the handbook isn’t difficult. Buy a Complex. It isn’t expensive. I am afraid. My friend won’t visit this city this weekend because of the bad weather. The workers haven’t finished their work before dark. They are disappointed. The boys are very excited. They are playing the coming game. Nam is going to pass the exam easily. His parents are sure about that. Their parents take good care of them. The children are lucky.

 It is fascinating to explore the world of Personal Computer.

It isn’t good that they burned the plastic bottles and old plastic bags.

 It is extremely important to keep the environment clean.

 It isn’t difficult to understand the handbook.

 It isn’t expensive to buy a complex.

I am afraid that my friend won’t visit this city this weekend because of the bad weather.

The workers are disappointed that they haven’t finished their work before dark.            

 the boys are very excited to play the coming game.

Nam’s parents are sure that he is going to pass the exam easily.

 The children are lucky that their parents take good care of them.

1, It is fascinating to explore the world of Personal Computer.

2, It isn’t good that they burned the plastic bottles and old plastic bags.

3, It is extremely important to keep the environment clean.

4, It isn’t difficult to understand the handbook.

5, It isn’t expensive to buy a complex.

6, I am afraid that my friend won’t visit this city this weekend because of the bad weather.

7, The workers are disappointed that they haven’t finished their work before dark.            

8, the boys are very excited to play the coming game.

9, Nam’s parents are sure that he is going to pass the exam easily.

10, The children are lucky that their parents take good care of them.