1. Shall we use gas instead of burning coal?

I suggest.... using gas instead of burning coal

2. My family has someone water the roses every day.

My family has the............roses watered every day.........

3. Tom failed the exam because of his laziness.

Because Tom.......was lazy, he failed the exam...........

4. She planted that tree five years ago.

that tree......has been planted for .five years..........

5. People have used the Internet all over the world.

The Internet ............has been used all over the world............

6. I hope to see you at Christmas.

i'm........looking forward to seeing you at Christmas.........

7. He's going to have his room redecorated with some new furniture.

He's going to ask..........somebody for redecorating his room with some new furniture..............

8. I think it is the better to wait for the next bus

l suggest..........waitting for the next bus..............