Actually, _____ works hard can be _____ he wants to be, whether it is a pilot, an engineer or a manager.
The police came here in the hope ___ they could learn about the cause of the traffic accident.
Her failure in the experiment suggested that she ______ the professor’s instructions.
The general spoke highly of such _____ as honesty, loyalty and bravery shown by the soldiers.
In order to complete the project ahead of time, the boss demanded that John __ extra hours.
When a new system _____, the old one is abolished.