Вставьте нужные глаголы

8. When I was a child, I... always late for school. a. have been b. was c. were 9. There’s the half of my chocolate bar. Somebody ... it. a. has eaten b. have eaten c. ate 10. John is reading a book now. He ... about 50 pages. a. read b. has read c. have read 11. The British ... tea since 1650. a. drunk b. drank c. have drunk 12. The children are dirty because they ... in the garden. a. have played b. played c. has played 13. I am very tired but I... my work yet. a. haven’t finished b. have finished c. finished 14. We ... about it for a long time. a. knew b. has known c. have known 15. — Why is your hair wet? — I... my hair after sport. Students Students a. have washed