Complete os espaços em branco corretamente com who, whose, wich e whom. a)That lady was really nice. Her son is my workmate.(That lady).
That lady, her son is my workmate, was really nice.
b) People may be disappointed. They have cyber relationships.(People).
People have cyber relationships may be disappointed.
c) Peter was really puzzled. He wondered how the old man knew so much about him.(Peter).
Peter, wondered how the old man knew so much about him, was really puzzled.
d) People often lie in chatrooms. They pretend they are something they are definitely not.(People)
People pretend they are something they are definitely not often lie in chatrooms.

Desde já agradeço :)​