Rewrite sentences with the same meaning

VIII. Rewrite sentences with the same meaning
1. When did you build the house?
- How long__________________________________________
2. She started working as an accountant 2 months ago.
- I have____________________________________________
3. This is the first time I have seen such a beautiful girl.
- She is the most_____________________________________
4. I want to go for a picnic with my friends at weekends.
- I enjoy______________________________________________
5. Smoking is not allowed in the museum.
- You mustn’t _________________________________________
6. They really expect to eat out tomorrow.
- They’re really looking forward to ______________________
7. It isn’t necessary to play football with my best friends today.
- You don’t ________________________________________.
8. Thanh spends 3 hours a day doing the homework.
-  It takes __________________________________________
9. It is very difficult to speak English well.
- Speaking__________________________________________
10. I have never eaten such a delicious cake like this before.
- This is the first time_________________________________