Ответ:
- He drank milk.
- He wrote tests.
- He had a party.
- He ate apples.
- He did exercises.
- He ran fast.
- He swam in the river.
- He ate fish.
- He drank tea.
- He wrote dictations.
Отлично! Past Simple — это просто. Продолжай в том же духе, и у тебя всё получится!