I.
1. Mary has visited her grandparents.
2. Jack has played games on the computer.
3. John and Su have washed their car.
4. Andrew has repaired his bike.
5. Phil has helped Anne with maths.
6. Brad and Louise have watched a film.
7. Tamara has talked to her best friend.
8. Bridgette has drawn a picture.
9. Carol has read a computer magazine.
10. Tom and Alice have been to a restaurant.
II.
1. My brother hasn't played any sport since last year.
2. Some people are attending the meeting right now.
3. I’d better take a bath. I haven't taken one since Sunday.
4. I don’t keep in touch with Alan and we haven't called each other for 6 months.
5. Where is your father? He is having lunch in the kitchen.
6. Why are all these people here? What is happening?
7. I have just realized that there are only two weeks to the final exam.
8. She is finishing the English course this week.
9. At present, he is composing a piece of music.
10. We are having dinner in a restaurant right now.