I went to bed at ter o clock yesterday? Задайте вопросы : общ.,who,what ,where, when.

I went to bed at ten o\'clock yesterday. - Вчера я лег спать в десять часов. 1. Did I go to bed at ten o\'clock yesterday? 2. Who went to bed at ten o\'clock yesterday? 3. What time did I go to bed yesterday? 4. What did I do at ten o\'clock yesterday? 5. Where did I go at ten o\'clock yesterday? 6. When did I go to bed yesterday? 7. When did I go to bed at ten o\'clock?