……… DO YOU STUDY IN THE LIBRARY AFTER SCHOOL

2 . - DE KIEM TRA 1 TIET ANH 7 2
Tiếng Anh DE KIEM TRA 1 TIET ANH 7 2
2 . ……… do you study in the library after school ? – Twice a year .A . How long B . How C . How ofen D . How much