She worked hard.
She went on working.
She kept on working.
She kept working.
She proceeded with the work.
She did the work without any difficulty.
She did a great deal of work.
She works hard.
She was worn out from overwork.
She does her best at work.
She went on with the work.
She continued with the work.
She was busy.
She hurried through her work.
She's disillusioned with her job.