In Present perfect^x, Past tenses^x, cover letter^x

.Hello, lwg-- and welcome to EF. I suggest:In my accounting course work, I emphasized financial and managerial accounting skills. In addition to my academic foundation, I gained working experience in accounting from my two summer internships in Hong Kong. I served as an accounting staff...

Hi all, I wonder which tense is more prefer for the following sentences, present perfect or past tense(underline ones) ?In my accounting course work, I have emphasized in financial and managerial accounting skills. In addition to my academic foundation, I gained working experiences in...

.I have underlined some problem areas. One point-- usually, you should use simple past tense where you have used present perfect:Motivation Letter:The Graduate programme in Finance at Hampton College is according my target to develop my skills on the financial field for a knowledge improvement...