1. My father was away on business two days ago. (been)
=> My father has been away on business two days ago
2. The test was very easy, so I could do it in fifteen minutes (Enough)
=> The test was easy enough to do it in 15 minutes
3. He doesn't go to school on foot longer ( Used to)
=> He didn't use to go to school on foot longer
4. Your idea is similar to mine ( The same)
=> My idea is the same of your idea
5. How does your English teacher look? (What)
=> What was your E teacher look like?
6. Why don't we go out for a change to night? (What about)
=> What about going for a change tonight?
7. Can you find a better hotel than this one?
=> Is this the best hotel?
8. "Don't forget to do your homework before class" his teacher said. (told)
=> His teacher told him not to forget to do his homework before class
9. My father doesn't smoke any more. (used to)
=> My father used to smoke.
10. She is not old enough to drive a car ( too)
=> She is too young to drive a car