6. “We were going to explore the house,” Peter reminded them. He ___ a sandwich at the moment and was happy with the whole situation.

Перевод задания: Вставьте подходящую форму глагола в пропуск.

He was eating a sandwich at the moment and was happy with the whole situation.

Past Continuous показывает действие, происходившее в тот момент в прошлом.

Он в тот момент ел бутерброд и был доволен всем происходящим.

Ответ: was eating.