Ответ:

1. Did you have a good time?

2. What did you do last weekend?

3. When did you start work?

4. Did you make new friends?

5. Where did you meet Sara?

6. How did he spend his holiday?

7. Did they learn a new skill?

8. Did you see my keys?

Ответ:

Did you have a good time?

What did you do last weekend?

When did you start work?

Did you make new friends?

Where did you meet Sara?

How did he spend his holidays?

Did they learn a new skills?

Did you see my keys?

Объяснение:

Почему мы везде поставили Did потому что это вспомогательный глагол этого времени. И без этого глагола, вопросы не употребляются