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.