The doctor must be _______ 24 hours a day, 7 days a week in the boarding school

Robert failed to complete his education____ he found it hard to focus on his studies

Only when _______ home_____ that he had left his bag in the taxi he had taken.

ceremony, our headmaster requiredstudents to improve our competitiveawareness in modern society

124The key to the success of any film is finding a capable and qualified artistic director, _____ I always hope to be