I. Give the correct form of the verbs in the past tense.
1. do ____did 11. buy _____bought
2. teach 12. have
3. send 13. take
4. spend 14. go
5. begin 15. make
6. cut 16. think
7. put 17. see
8. give 18. eat
9. write 19. sing
10. be 20. wear
Loga
Sinh Học lớp 12
