Bài Làm :
- Vần "uôn"
+ Buồn >< Vui
- Vần "uông"
+ Xuống >< Lên
Choose the best answer.
We are looking for ____ place to spend ____ night.
Please turn off ___ lights when you leave ___ room.
I like _____ colorful costumes of ____ ethnic minority people in Vietnam.