Переделать предложения в специальные вопросы: 1.i was surprised at the poverty of his family(general)2.the policeman laid his hand upon the man's shoulder(alternative)3.the children observed the pictures in the gallery(to subject)4.he left the room without saying a word(special)

1) was i surprise at the poverty of his family?2) a) Did the policeman lay his hand upon the man's shoulder or the woman's shoulder?
b) Did the policeman or did the doctor lay his hand upon the man's shoulder?
3)Who was observe the picture in the gallery?4) why did he leave the room without saying a word?