5. the students answer the questions from the mail reader. It is done to answer the teacher's questions by reading each message, and then random students answer the questions individually, people.
5. Have students answer questions from the letters read correctly. Then the teacher correct answers by reading the question of ownership. And randomly assigned students to answer questions individually.
5. Let students answer from the letter read correctly. Then teachers reveal the answer by reading the questions one by one. And random students answer one by one.