Grammer skills:
a, e, i, o, u   are vowels. We should write "an" before vowel sounds. We should write "a" before consonant sounds.
Drag "a" or "an"
Options: a a a a a a a
  an an an an an an an
  an an an an a a an
  __ glass
  __ egg
  __ ball
  __ onion
  __ tomato
  __ ice cream
  __ girl
  __ aeroplane
  __ umbrella
  __ apple
  __ boy
  __ elephant
  __ igloo
  __ bus
  __ auto
  __ king
  __ owl
  __ unicorn
  __ orange
  __ plum
  __ tree