baif 3;
1. did
2.know
3. find
4,do
5. sow
6. were
7 . did
8. speaks
9.have
10.ate
11.won
12.knew
13. slept
14. comes.
15. lent
16. have| had
17. do | had
18. goes | went
19. go | went
20. give | forgot
21. takes | took
22. buys | didn't have
23. watch | read
24. runs | ran
25. eat | didn't eat
26. walk | took.
chúc bn học tốt
