Wednesday, 2 August 2017


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Calcium

Calcium is a mineral that  necessary for the life to building bones and keeping it healthy. About 99 percent of the calcium is in our bodi...

  • Calcium
    Calcium is a mineral that  necessary for the life to building bones and keeping it healthy. About 99 percent of the calcium is in our bodi...
  • (no title)
    This program is useful for us , we can improve by practices such as cloze.
  • (no title)
    I am in Granville  TAFE  in EFS I come to class to study English .