10 вопросительных предложений с "since" и "for"

1. Has she known my brother for ten years?
2. Have We  lived in Moscow since 1980?
3. Has he changed a lot since he left school?
4. Have we known each other for twenty years?
5. Have I waited a bus for fifty minutes?
6. Have I worked only for 2 days this week?
7. Have you been reading this book since morning?
8.  Has she lived there since childhood?
9. How long is it since you last saw Sasha?
10. Have you been reading book for hours?