a-an exercise-06
51. X people
52. an air-balloon.
53. X petrol.
54. a petrol tank.
55. X love.
56. X English.
57. an English Grammar book.
58. X land.
59. a farm.
60. X oxygen.
51. X people
52. an air-balloon.
53. X petrol.
54. a petrol tank.
55. X love.
56. X English.
57. an English Grammar book.
58. X land.
59. a farm.
60. X oxygen.