I. Rewite the following sentences.
1. Why don't we ask her for the help?
-> You had........better ask her for the help............................................
2. Your phone is just like the one I used to own
-> I used..........to own a phone that is similar with yours.............................................( similar )
3. Does overpopulation cause a lot of social problems in this area.(causes)
-> Overpopulation.................causes a lot of problems in this area doesn't it...............................................................?
4. If he doesn't help them some money, they will meet some toubles.
-> Unless..............he helps them some money, they will meet some toubles.....................................................................
5. The failure of the team caused us great disappointment.
-> We were........disappoineted about the failure of the team..........................................................