abcxyz19052001 10/19/2023 7:53:19 PM

Question 19. All the employees had read the instructional manuals _______.

     A. until the conference has ended                               B. after the conference ended

     C. before the conference ended                                   D. as soon as the conference ends

Trích: đề minh họa số 06 môn Tiếng Anh tôt nghiệp THPT 2023