1. If you work hard, you will achieve big success.
2. They suggested that I should put an advertisement in the local newspaper.
3. I suggest collecting plastic bags.
4. It's possible to use solar energy for a number of days.
5. By using solar energy, we can save natural resources.
6. You needn't complete it by Saturday.
7. You didn't remember to switch on the washing machine, did you?
8. She is often driven to the supermarket by her neighbor.
9. If you don't work hard, you will fail the coming exam.
10. Lan doesn't work hard enough to get good marks.
