练习发音的好办法？

如题.

2017-02-28 提问者:simona520

教师解答

尚未回答。

学生讨论

Fire0102:

Y

2017-02-28

---

Fire0102:

O

2017-02-28

---

Fire0102:

K

2017-02-28

---

magicmai:

Great

2017-02-28

---

braveheart啊:

？

2017-02-28

---

lincy1994:

good

2017-02-28

---

Incubus_H:

！

2017-02-28

---