5. teachers and students sing What's this? In the textbook page 18 4. Listen and sing by providing students with textbooks closed and then open the CD/track 1 allows students to listen to 1 times.
5. teaching students to sing What's this? In an 18-page book 4 Listen and sing. The students closed the book and turn the CD / track 13 to students one at a time.
5. Student teacher sing What "s this? In the textbooks, 18 items 4 Listen and sing. The closed book school and open. CD / track 13 students hear 1 times.