Замените прямую речь косвенной
1 " I can't explain this rule to you " said my classmate to me
2 The teacher said to class : "We shall discuss this subject tomorrow."
3 " Then was this elegant seven storied building constructed ?" - the foreigner wondered
4 " I am leaving at six " - she said
5 " The flats owners are thinking about its re-planning" - Andrew noticed

1.my classmate told me that he couldn't explain that rule to me.2.the teacher told class that they should discuss that subject next day3.the foreigner asked (можно не менять) when that elegant building was (или had been) constructed 4.she said that she was leaving at six5.Andrew noticed (или said) that the flat owners were thinking about its re-planning.