1) What is in that big brown box?
2) Will you tell me when she calls?
3) Will you tell me how to spell it?
4) Did you know that an emu is a big bird?
5) How would I know what she wants?
6) How many people are there in that photo?
7) Did he tell you what to bring?
8) Have you found out her real name?
9) Have you known him for a very long time?
10) Do you know who it was?