1. They had been preparing the medicine for 45 minutes before everything was ready. 2. Doctor had written out the recipes five minutes before I came. 3. We had been looking for a drugstore for about 20 minutes before we found it. 4. I had been reading the medical encyclopedia for a few minutes before I found the desired information. 5. My son had not been waiting even for fifteen minutes when the doctor came. 6. Doctors had worked on this issue for three years before they went on a world scientific conference.
1. What's the theme of the text? 2. What was the thing professor pointed at? 3. What was the way that creature walked? 4. Where did he see them? 5. What are them? 6. Who else could leave sign like that? 7. What was the place they went to? 8. How many of these creatures were there? 9. What height were babies? 10. What height were adults? 11. What's the colour they were painted in? 12. How do their tale look like? 13. How do they look like? 14. What did the children do? 15. What did the big creatures do? 16. What was their strength? 17. What was the feelings of professor? 18. What will scientists say in England? 19. When did they see them? 20. Where did they see them?
1. I can sing very well.
2. He can swim.
3. We can wait for you.
4. We can walk in the park alone.
5. You can eat this cake.
6. I can do my homework after the party.
7. It can help you clean the house.
8. She can draw a picture.
9. He can take a photo of us.
10. I can call your mum.
1. I can't do my homework, because l'm very tired.
2. We can't get up early in the morning tomorrow.
3. He can't go to the cinema with us.
4. You can't be serious.
5. My brother can't walk in the park alone.
6. Parrots can't eat chocolate.
7. Kate can't walk with us, she must do her homework.
8. Penguines can't fly.
9. We can't decorate Christmas tree today.
10. You can't do the exercise!