=>
IV/
21. tauht
22. give
23. because
24. need
25. hope

V/
26. Linda is from England.
27. She can speak 3 languages : French, English and Vietnamese.
28. No, she doesn't.
29. Because they are friendly. 
30. She often goes to French speaking club.

VI/
31. How far is it from Trang's house to the market?
32. Does Nhung have a lot of friends in her town?
VII/
33.Lan enjoys reading comic books  at recess.
34. English is spoken all over the world.

35. Vietnamese people use Khue Van pavilion as a symbol of Hanoi.

IV.
21. taught
22. give
23. because
24. need
25. hope

V.
26. She is from England. (dòng 1, câu 2)
27. She can speak 3 languages. (dòng 3)
28. No, she doesn't. (dong 3 và 4)
29. Because they are friendly. (dòng 5 câu cuối)
30. She often goes to French speaking club. (dong 4 câu 2)

VI.
31. How far is it from Trang's house to the market?

hoặc How far is it from the market to Trang's house? (cấu trúc: How far is it from … to … ?)
32. Does Nhung have a lot of friends in her town?
VII.
33. Lan enjoys reading comic books  at recess.

(cấu trúc: Subject + (To be) + interested in + N/ Verb_ing

S + enjoy(s) + Ving + something)
34. English is spoken all over the world.
35. Vietnamese people use Khue Van pavilion as a symbol of Hanoi.