сотавить предложения используя Present Perfect-- have\has+глагол в 3 форме
Example: - There are no pies on the plate. John (eat).
- John has eaten them.

1) - Their house is now yellow!
- Yes, they (paint) ... .
2) - He knows everything about Moscow.
- I think he does. He (be) ... there many times.
3) - John, your car looks so clean!
It should be! I (wash) ... .
4) - Your grandparents are tired.
Yes, they (come) back from the shops.
5) - Does Harry know about it?
- Yes, I (give) ... him a call.
6) - Is the book interesting?
- I don't know yet. I just (begin) ... reading it.
7) - Why is Jason in hospital?
- He (fall) ... off his bike.
8) - Roy knows nothing about our meeting.
- Sorry. I (not, speak) ... to him yet.

1) have painted it.2) has been3) have washed it4) have come5) have given6) have begun7) has fallen8) haven't spoken