Rewrite the following sentenses so that the second sentence means nearly exactly the same as the first one.
1. They have learnt English for ten years now.
=> They started ___________________________
2. She started to give up smoking last year.
=> She ____________________________
3. Tom and Mary have worked in that factory since 1990.
=> Tom and Mary ______________________________
4. I haven't written to you for a month.
=> I last ________________________
5. I have lived in Hue since I was an eleven-year-old girl.
=> I started ________________________
6. He hasn't seen her for twelve years now.
=> He last ______________________
7. How long have you learned French?
=> How long ago ___________________
8. When did you start to listen to pop music?
=> How long ______________________
