WE MUST LEARN ENGLISH AT SCHOOL BECAUSE IT IS A ... SUBJECT.A. PRI...

15. - DE THI HKI 2010 2011 CO DAP AN MA TRAN
Tiếng Anh DE THI HKI 2010 2011 CO DAP AN MA TRAN

15. We must learn English at school because it is a ... subject.

A. primary

B. secondary

C. national

D. compulsory