IN VIETNAM ,CHILDREN MUST GO TO SCHOOL BETWEEN AGES OF 5 AND 11

2. - BT TRAC NGHIEM LOP 12 CB UNIT1 234 TEST YOURSELF A CO DA
BT TRAC NGHIEM LOP 12 CB UNIT1 234 TEST YOURSELF A CO DA

2. In Vietnam ,children must go to school between ages of 5 and 11. It is... .

A. optional

B. compulsory

C. necessary