Составить предложения с словами which/that; who/that; whose; where; when

1)Who is sitting at the tables? This is the man who helped us.This is the man that helped us. 2)Where are her friends going to have a party? 3)Whose room is this? 4)When is she writing a letter? 5)Which books he does give you? It's the watch which my husband bought me.It's the watch that my husband bought me.