You’re a trainee for three months and then you become a junior employee. => You become a junior employee once ______________________________.Đoạn văn458/500You’re a trainee for three months and then you become a junior employee.=> You become a junior employee once ______________________________.Nhập câu trả lời ở đâyXác nhậnGiải thíchyou have been a trainee for three months