BEFORE SHE …… A TEACHER, SHE HAD STUDIED IN HANOI. A. HAS BECOME B...

Lớp 12 Tiếng Anh ĐỀ THI MÔN TIẾNG ANH LỚP 12 KỲ II PDF

14/ Before she …… a teacher, she had studied in Hanoi. A. has become B. became C. becomes D. had become