29.F

30.T

31.T

32.T

33.B

34.C

35.Some beautiful patterns have been added to the "ao dai" by fashion designers.

36.Helen has learned Chinese since 2010.

37.They began working in that factory ten years ago.

38.This machine must be cleaned every time you use it.

39.Wearing casual clothes freedom gives students of choice. 

40.Some designers have modernized the Ao dai by printing on it lines of poetry.

41.I like wearing a short-sleeved blouse and faded jeans.

42.Other designers have taken inspiration from Vietnam's ethnic minorities.

     NO COPY!

                     Chúc học tốt! ^.^

V)

A. 29, F

30, T

31, T

32, T

B. 33, B

34 A

VI)

35, Some beautiful patterns have been added to the Ao dai by fashion designers.

36Helen has learned Chinese since 2010.

37,They began working in this factory ten years ago.

38This machine must be cleaned everytime you use it.

VII)

39, Wearing casual clothes gives students freedom of choices.

40, Some designers have modernized the Ao dai by printing lines of poetry on it.

41, I like wearing a short-sleeved blouse and faded jeans.

42, Other designers have taken inspiration from Vietnam's ethnic minorities.