Исправьте ошибки2)Since when did you start to work? 3)George has been the best student...

Question

Исправьте ошибки

2)Since when did you start to work?
3)George has been the best student since he has entered the University
4)The children have changed a lot in the last time
5)Mr. Brown hasn t been at work for last week

Answer 1

2) When did you start to work?
3) George has been the best student since he entered the University
4) The children have changed a lot recently.
5) Mr. Brown wasn't at work last week