1.b)
2.c)
3.b)
4.a)
5.c)
6. Helen has cooked a delicious cake.
7. The Browns have moved to a new flat.
8. I have already visited this museum.
9. Parents have just brought a big box.
10. Liz hasn't eaten her lunch today.
11. Have they bought a car?
12. Ted hasn't been to Italy yet.
13. Have all the pupils been present at the lesson today?
14. My friends have already solved their problems.
15. Has she learnt the poem by heart?
16. Has she already sent him a birthday card?
17. Have pupils just left the classroom?
18. Has Mary been to Egypt?
19. Has he come because he has needed help?
20. Have children spent all their pocket money?
21. Have you seen him this week?
22. We have never been to China.
23. She has recently visited 3 museums.
24. Who has bought this house?
25. He hasn't come yet.
26. Where have you spent holidays?
27. I have already watered the flowers.
28. Children haven't gone for a walk since Monday.
29. Masha has visited her grandmother this month.
30. They have lived in this house for 5 years.
1)
1. a.are we meeting
b. starts/ we are meeting
2. a. Is Ian coming
b. don’t think / hasn’t finished
3. a. have you seen
b. is
4. a. do you exercise
5. a. Is Tanya
b. eats/sleeps
6. a. Are Laura and Penny leaving
b. have already left
7. a. are you looking
b. am looking / have just lost
8. a. does the Eurostar train leave
9. a. are you going
b. haven’t decided
10. a. does Leo live
b. is staying
11. a. Are you having
b. have already invited
12.a. Have you been
b. still is going up
2)
1. have been
2. am having
3. feel
4. have met
5. am sharing
6. is planning
7. hope
8. haven’t been
9. are you leaving
10. haven’t you found
Объяснение: