LIFE ON OTHER PLANETS

37. - DAP AN BAI TAP THI DIEM 8 CUA TAC GIA LUU HOANG TRI
DAP AN BAI TAP THI DIEM 8 CUA TAC GIA LUU HOANG TRI

37. will be taking

38. will have learned

39. will have discovered

IV. 22. C 23. G

24. E

25. I

26. H

27. J

28. F

29. B

30. D 31. A