Ответ:

1. Was the breakfast delicious last morning?

2. Were you at a swimming pool last year?

3. Was she at the video shop yesterday morning?

4. Was it cold yesterday night?

5. Were we in the park two hours ago?

Объяснение:

в вопросительном предложении вспомогательный глагол или общий вопрос уходит на передний план