Rewrite: 1) I haven't been to the dentist's for two years; 2) I have never met him before. (first); 3) When did you last hear from him? (since)

II, Rewrite
1. I haven't been to the dentist's for two years
-> It's ......................................................................................................
2. I have never met him before. (first)
->............................................................................................
3. Whe did you last hear from him ? (since)
-> How long ...........................................................................
4. Nhung will be fifteen next week.
-> It is Nhung's .........................................................................
I, Give the correct form of the verbs
1. What will you do when you (retire) ................, Bill ?
2. Mr Binh (learn) ...................... English at school, but up to now he (forget) ................. most of it
3. We (sit) ................ in the car outside the house when the inspector called
4. When I (cross) ..................... the street I saw him (talk) ................. with a strange woman
5. A: I (phone) .................... you at 7 o'clock last night but you (