Пожалуйста помогите, моя жизнь в ваших руках! :)
(Заранее спасибо)
Choose the present perfect or past simple. Write full sentences.

I _________________ (see) three police cars this morning (it’s still morning).
After he _________________ (arrive) home, he _________________ (unpack) and _________________ (go) to bed early.
A: What’s wrong?
B: I _________________ (break) a glass!
My grandparents only _________________ (know) each other for a few months before they _________________ (get) married.
I _________________ (be) in London for three years. I love it here.
We _________________ (see) Julie last night.
He _________________ (be) a teacher before he _________________ (become) a musician.
When the boss _________________ (walk) into the room, we _________________ (know) someone was going to get fired.
The children _________________ (break) a window in the school last week.
He _________________ (see) that film last year.