The discovery of Penicillin (Past Simple Active-Passive)

The discovery of Penicillin (Past Simple Active-Passive)
The discovery of Penicillin (Past Simple Active-Passive)
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  • English as a Second Language (ESL)

  • The discovery of Penicillin (Past Simple Active-Passive)

  • Age 12+

  • level: Grade 10

  • English

Author's Instructions

Write the correct form of the Past Simple Active or Passive