1. She hasn't been to the USA.
2. Mary has been doing her lessons since lunch.
3. I have known him since childhood.
4. Children are tired. They have been playing all day.
5. I haven't done my homework yet.
6. I think he has made a lot of improvement.
7. Mary has passed her exams.
8. My eyes hurt. I have been watching TV for 5 hours.
9. She has been studying Math for 3 hours.
10. She hasn't taken Geography test yet.
11. My mother hasn't seen him for ages.
12. My brother has been doing his lessons since lunch.
13. I haven't heard about him for a long time.
14. I have been driving since i was 18.
15. Peter has failed his driving test three times because he doesn't know how to park.
Объяснение:
1. My father has his car washed
2. This house was built several days ago
3. Films are made in Hollywood
4. This picture was painted by a Spanish artist
5. It was probably written in 1989
6. The exam results will be sent by post next week
7. The concert might have been cancelled
8. Homework must be handed in on time
9. My mobile has been stolen
10. Dirty shoes should be left by the door