Why my teacher ask me if I can do something serious?

如题.

2019-06-16 提问者:17330925741

教师解答

尚未回答。

学生讨论

18608955915:

come on

2019-06-17

---

390216wlq:

keep optimistic

2019-06-17

---

61820628:

Why does my teacher ask me if I can do something seriously?

2019-06-20

---