1. an essay on equality gender must be written by each student
2. when will these files be processed
3. obesity can be considered to be one of the most serious health problems
4 more and more achievements in technology information and will be made by scientists
5. this is the smartphone which i was given 2 years ag
6. jim told me that he was the most polite man in the team
7. they said that alan was the best in the third competition
8. if it doesn't rain , they will go out for a walk
9. if we plant more trees, there will be more birds in this area
10. unless she works hard, she will earn nothing ( unless= if not )
