1. How about using gas instead of burning coal?
2. I suggest that you should wait for the next bus.
3. I'm looking forward to seeing you at Christmas.
4. He wishes he could pass the examination.
5. My father has given up smoking since last year.
6. They started working in this factory in 2001.
7. Although Paul is an Australian, he enjoys Vietnamese New year.
8. Though I'd like to play soccer with you, I have to finish my homework first.
9. It was such a hot day that we decided to stay indoors.
10. They are such beautiful pictures that everybody will want one.
