She has been a nurse for five years(改为同义句) It ___ ____ five years_英语解答

She has been a nurse for five years(改为同义句) It ___ ____ five years since she became a nurse.
只有两个空格,该怎么填

人气：253 ℃　时间：2019-08-19 10:31:31

解答

应该是：
has been
她成为护士已经五年了对吗？当然对了，呵可这里是对时间做出的完成时