IF THEY HAD KNOWN YOU WERE ILL, THEY (VISIT) YOU EARLIER....

14. - BAI KIEM TRA 45 SO 3 HK2TINH QUANG NINH HS YEU
BAI KIEM TRA 45 SO 3 HK2TINH QUANG NINH HS YEU

14. If they had known you were ill, they (visit) you earlier. → ……….

IV. Grammar, vocabulary and speaking: (2.0pts) Choose the best option (A, B, C or D)