classes: lecturer. The assignment teacher should explain why the answer is right or why it is wrong more thoroughly so that the student knows where to correct appropriately and where he or she is wrong. curriculum. The assignment teacher should explain why the answer is right or why it is wrong more thoroughly so that the student knows where to correct appropriately and where he or she is wrong. facility. The assignment teacher should explain why the answer is right or why it is wrong more thoroughly so that the student knows where to correct appropriately and where he or she is wrong. general. The assignment teacher should explain why the answer is right or why it is wrong more thoroughly so that the student knows where to correct appropriately and where he or she is wrong.