Rewrite the following sentences and the meaning stays the same

Question VII: Rewrite the following sentences and the meaning stays the same.
1. Your hair is long. You’d better have it cut.
- Your hair .......
2. Are you against working on Sunday?
- Do you object .....
3. We looked for the letter everywhere but we didn’t find it.
- The letter was .....
4. When I arrived in China. I wrote a letter home.
- On ......
5. If you hadn’t helped him, he couldn’t have gained such maverllous result.
- But ........
6. If Nam arrived on time. We could start early.
- Were .......
7. I haven’t seen my old school friend for 2 years.
- The last ......
8. It’ll be necessary for her to give up her job soon.
- Soon she........
9. This event will always be remembered for the rest of our life.
- Never .......
10. It was my first visit to North America.
- I .........