Question

I want answers,all D

Answer 1

1. do you know.......?
2.could you tell me if there is a......?
3.do you know.....?
4.could you tell me if he is studying......?
5.do you know...?
6.do you know....?
7.do you know.....?
8.do you work......?

pd: cuando empieze con question word (Wh / How) se usa "Do you know...? "