3. Она работала медсестрой 2 года д

3. Она работала медсестрой 2 года до того, как окончательно решила стать врачом.

Результаты (английский) 1:

3. She worked as a nurse 2 years before finally decided to become a doctor.

Результаты (английский) 2:

3. She worked as a nurse 2 years before they finally decided to become a doctor.

Результаты (английский) 3:

3. she worked as a nurse for two years before finally decided to become a doctor.