Подчеркни форму страдательного залога там,где она есть

Вот подчеркнутые формы страдательного залога:

1. The answer was answered well.
2. They were invited to the party.
3. Tea was bought in that shop.
4. The New Year tree was decorated.
5. The flowers were bought there.
6. The holiday was celebrated in June.

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