By the time she (A10) school she (A11) a good command of three foreign languages.
A10: г) left
A11: в) had had
A10- Г left
A11- В. Had had
By the time she (A10) school she (A11) a good command of three foreign languages.
A10: г) left
A11: в) had had
A10- Г left
A11- В. Had had