VIETNAMESE CHILDREN MUST GO TO SCHOOL AT THE AGE OF THIS IS ____...
6.
Vietnamese children must go to school at the age of 6. This is ___________________education.
A. compulsory
B. optional
C. official
D. primary
Bạn đang xem 6. - KIEM TRA HK1 AV9 CO LISTEN
![Đáp án tham khảo 6. - KIEM TRA HK1 AV9 CO LISTEN](https://www.traloihay.net/traloihay/question/answers_table/2022/02_24/621778719f549.webp?v=20220420142246)