Which voice to use? Which form to use?

• Объекты 1
  • Coffee is made from the seeds of coffee berries which ..........on coffee trees.
  • At first it .............. as a medicine.
  • It ...........very popular drink in the XVI century.
  • Toning proprieties of coffee ............. by Ethiopian shepherd named Kaldi.
  • He ..... that goats which ........ coffee leaves and dark fruit of coffee trees .........to behave nervously and restlessly at nights without any apparent reason.
  • Coffee is a beverage that ......... by grinding roasted coffee beans and allowing hot water to flow through them.
  • Dark, flavorful, and aromatic, the resulting liquid ........hot, when its full flavor can ................in the best way.
  • It is ....... that there .......more than 73 kinds of coffee trees.
  • Only two of them .........nowadays – Coffee Arabica and Coffee Canephora.
  • Coffee ........ one of the most popular drinks ever made.
  • More than thousands of cups ............right at the moment.
• Объекты 2
  • grow
  • was used
  • became
  • were discovered
  • noticed had eaten began
  • is made
  • is served be appreciated
  • said are
  • are used
  • is
  • are being served