Ответ:

1. .......if I need more money, I'll work part time.

2. ........if I pass all my exams ,they will buy me a car.

3. If I don't get the score I need in the IELTS exam, I will retake it in a couple of months.

4. If I don't get the grades I want, I won't get into my first-choice university.

5. They won't consider your application, if you miss the deadline.

6. A What will you do if you don't get a place on the course?

B I'm not sure. I guess that if that happens, I will probably just start looking for a job.