Welcome to the board, mmabrouk.
There is more than one sentence, so you need to ask 'Are my sentences correct?'
I'm afraid not.
RoverI haven't been able to save up at all since I came.
I'm willing to abandon
ingthe negative thinking I have.
I will manage to get along on the course. I will do my best to get along with her.
I'm adopting a new way of learning and developing a different style.
English and PMP
altogether can make me a better person.
I will never bury my head in the sand.
I identified my luggage easily.
If I hadn't spent that time and money on non-useful things, I would have been better off.
It makes more sense for me to choose from one or two areas.
Student or Learner