A. English is spoken in their office
B. they want to go abroad
C. most of their books are in English
D. it helps them in their work
D
Dẫn chứng: Many adults learn English because it is useful for their work.
Câu hỏi trên thuộc đề trắc nghiệm dưới đây !
Copyright © 2021 HOCTAP247