Пмогите пожалуйста очень срочно перевести в косвеную речь

1 where my brother worked.
2 when he had travelled to England
3 how many people he would invite to dinner.
4 what he was looking for.
5 who had been singing in the room.
6 whose friend she had met.
7 why she should care about it.
8 how long he had been learning English.