1.Why do we must hurry ?
2. where do they must meet as soon as possible.?
3.When did I (you) work hard?
4. why will Sally have to explain the details . ?
5. How long granddad must stay in bed ?
6. Why does she has to be careful with thay device ?
7. what do they have to tell me ?
8. how many snaks my mum will do ?
9. where had we stood till midnight ?
10.Who will go to Paris next week?