Her health has significantly improved since last month.
He improved because of practicing daily.
She gradually improved her pronunciation.
He stopped complaining when things improved.
The team improved due to practicing regularly.
I continued to practice, and I improved eventually.
She was labeled as a beginner, but she improved fast.
We responded respectfully to the feedback and improved.
The restaurant is reported to have improved its service.
They approached customer service differently and improved.
How much was the education system improved in the USA during the last decade?