3. My friends: We are going ice-skating. My friends said ___________

Решение:

Преобразуем прямую речь в косвенную. 'We are going' (Present Continuous) переходит в 'they were going' (Past Continuous).

1. Определяем, кто говорит: My friends.
2. Преобразуем прямое высказывание: 'We are going ice-skating' становится 'they were going ice-skating'.

Ответ: My friends said that they were going ice-skating.