Question 41. The roads/ Vietnam/ too/ narrow/ travel/ easily .............................................................................................................................................. Question 42. How far/ it/ your house/ the bookstore? ............................................................................................................................................... Question 43. Mai/ use/ go/ school/ foot/ when/ she/ primary school ................................................................................................................................................ Question 44. It/ very important/ obey/ traffic rules/ when/ use/ road ................................................................................................................................................. Question 45. It/ ten kilometres/ the town/ the airport ................................................................................................................................................ Question 46. Two days ago/ we/ stuck/ traffic jam/ over two hours ................................................................................................................................................. Question 47. Most streets/ city centre/ congested/ rush hour ................................................................................................................................................ Question 48. you/ use/ have/ tricycle/ when/ child? ................................................................................................................................................... Question 49. What games / you / use / play / when / you / 10 years old? ................................................................................................................................................... Question 50. There / use / be / bus station / city centre / but / move / the suburbs ..................................................................................................................................................