拿几个词造句 快keep track oftake advantage ofcatch up sprint

拿几个词造句 快
keep track of
take advantage of
catch up
sprint

1、As a doctor,I has to keep track of the latest developments in medicine.
2、In order to improve your English,you'd better take advantage of your spare time to read English.
3、If you study hard,you will catch up with other students.
4、He had to sprint to catch the bus.