1. I last read a book on September 20 th
=> I haven't .......
2. Sue began to be interested in healthy eating 3 years ago
=> Sue has ....
3. I have never seen that play before
=> It's the first time ......
4. The last time I saw Mai was at Lan's party
=> I haven't ....
5. When did you start learning English?
=> How long.....
6. I haven't had my hair cut for 2 months
=> It's .....
7. Thank you for helping me
=> It was kind ...