Составить 8 вопросов в простом прошедшем (Past Simple) и продолженном прошедшем (Past Progressive)

1. Did they understand all the grammar rules last year?

2. When did you translate the term paper?

3. Did she present her report yesterday?

4. Whose paper did he put on the table?

5. Were they singing at the concert at 5 o'clock yesterday?

6. Where was she sitting at that time?

7. He was playing football at 8 o'clock, wasn't he?

8. Were they writing a text or a letter at that moment?