(A) BEFORE DAD (B) HAD JOINED THE ARMY, HE WORKED (C) AS A DOCTOR...
23.
(A) Before Dad (B) had joined the army, he worked (C) as a doctor (D) at this hospital.A.
B.
C.
D.
23.
(A) Before Dad (B) had joined the army, he worked (C) as a doctor (D) at this hospital.A.
B.
C.
D.