IELTS speaking test - Work or study

Hi, I am preparing to take my IELTS test. Here is one of my spoken exercises. It will be assessed based on fluency and coherence, lexical resource, grammatical range and accuracy, and pronunciation.

Would you mind helping me to check my writing? Please kindly let me know if there is still room for improvement.
Thank you in advance!

Part 1:
1) Do you work or are you a student?
Before I came to Hainan I was working as an executive assistant for senior management in an international company.
But  Currently, I am preparing to take the IETLS exam because I hope to do a Masters degree abroad.

2) Why did you choose to do that type of work for?
My career path has taken me from an assistant to operation manager to head of the Operations department. You can learn a lots from your hiring manager, including leadership skills, communication skills, and presentation skills. This is especially true if your hiring manager is one of the Executive Committee members.

3) Do you like your job? why/why not?
Yes, I love my job because it's interesting and challenging enough. Moreover, I work with a great team from APAC.

4) What is the best thing about your job?
I led 2017-2018 corporate English training program for over 100,000 associates in China. Before my takeover, this program was only covered 20 associates in the Home office.

5) Do you prefer working alone or with others? Why?
I prefer to work as a part of a team. I am a team player with excellent interface  communications skills, but also can work independently to drive for targeted results.

6) Do you miss being student?
Yes. Actually, I am preparing for my masters this year, and would like to apply for 2019 intake of an MBA course.

7) What subjects are you going to study?
I am going to apply for MBA, specializing in Global business. Because All businesses in the world now are becoming globally nowadays. This requires that the leaders to have professional global business knowledge.