6. D) 1-d 2-k 3-b
7. E) Thomas Edison helped improve the inventions of other people.
1) I have seen
2) Have you ever met
3) Have you been
4) Have you seen
5) We haven't went
6) I bought
7) Did you do
8) repaired
9) have lived
10) haven't found
11) have you bough
12) painted
13) have you got
14) has arrived
15) has been
16) Have finished
17) Went
18) Haven't been
19) weeent
20) have lived
1. Who are you speaking with?
2. Nick will come to me tomorrow.
3. Ann has already shown her new bag.
4. Were you here yesterday? – No, I was at home.
5. Jim doesn’t ride the bicycle on Sundays.
6. Where are they going next week?
7. My mum has just made tea.
8. Let’s go to the kitchen.
9. Look! Our old cat is catching the ball.
10. I don’t like thinking about it.
11. Where do you keep these cakes?
12. They wanted to go to the cinema last Saturday.
13. Don’t drink this bad water.
14. Mary always has bath in the morning.
15. The children are swimming in the lake now.
16. She has read this text, hasn’t she?
17. Where can I see you tomorrow? – We will be at school.
18. Did you buy a new car before Christmas?
19. Pete and Ted wear raincoats in autumn.
20. Little Lily hasn't found her doll yet.
21. Wait! We are running to you.
22. He did not understand the film last time.
23. We have always liked to eat tasty things at home.
<span>24. Why are you breaking this box?</span>
1No,it isn't
2No,they aren't
3Yes,she is
4Yes,they are
5No,they aren't
6Yes,they are
7Yes,it is
1. Travelling is a good opportunity to see the world.
2. Nowadays people tarvel not only for pleasure but on business.
3. Travelling by air is the most convenient and comfortable means of travelling.
4. Let's go to the station to see Jack off.
<span>5. We are going on a sea voyage next week.</span>