B) (a) I want to know when he is going to Moscow. (b)" When is he going to Moscow?" I want to know this
C) (a) We would like to see what he is doing now (b) "What is he doing now?" Bob asked
D) (a) Ask Alice why Betty is at home (b) "Why is Betty at home?" Peter asked
E) (a) I don't know which book you are reading, Jane (b) Which book are you reading, Jane?
A - не знаю