Present Perfect Tense

He ___ his work. Why don’t we invite him out?

Bob ___ his sister in the last few days.

Oxford University Press ___ thousands of books.

The students ___ their project work.

Artem and I ___ friends since childhood.

We ___ to France recently.

I ___ a computer since I was three.

___ your sister with the washing–up?

Where is your pencil? I ___ it.

Tina ___ her new book yet.

Are you going anywhere this summer? Yes, we ___ tickets to Italy.

___ the lottery?