Present Perfect vs Past Simple

My best friend ......... his new iphone because of financial problems.

I ........... them, but I don't remember when and where.

- When ......... back from school?

- Two hours ago.

She ............ at school for five years.

He ........ Mary since his childhood.

We ........... together when I was a child.

John .......... three countries last year.

I ........... you recently that he is busy with his lessons.

When .......... to the new house?

My mum ........... a modern laptop. She can work at home.

She .......... high temperature since the early morning.

You won't believe what happened yesterday! The thieves ............... my wallet which was full of money and it was horrible!!!