Complete the sentences. My answers are with capital

Amanda had become an expert in her field by the time she is 25. She told us how SHE HAS BEEN WORKING her way through college when the company HAD RECRUITED her. She told us SHE’D BEGUN TO WORK as an accountant when actually SHE STARTED working for the FBI. SHE’S ALWAYS BEEN honest with us, so of course WE TOOK her at her word.

Good work. However, she had become an expert by the time she WAS 25.