Complete with chance, occasion, opportunity, or possibility: Have you ever considered the ___ of training to be a teacher?

According to the weather forecast, there's a distinct (possibility/occasion) of rain tomorrow.

Complete with chance, occasion, opportunity, or possibility: We're having a party to celebrate the end of our exams - it'll be a great ___.

Complete with chance, occasion, opportunity, or possibility: Is there any ___ that you could help me with my homework?

Schools try to ensure that all students have an equal (opportunity/possibility) to succeed.

On several (occasions/opportunities) recently the university has made changes to the syllabus without consulting students.

Complete with chance, occasion, opportunity, or possibility: If you go on working hard, you stand a good ___ of getting into Harvard.

Complete with chance, occasion, opportunity, or possibility: Our education system is based on the principle of equal ___.

Our graduation ceremony next week will be a very special (opportunity/occasion).

Complete with chance, occasion, opportunity, or possibility: Your exams start on Monday, so this weekend is the last ___ you'll have to revise.

Complete with chance, occasion, opportunity, or possibility: I think there's a real ___ that I'll get the grades I need.

There's a strong (opportunity/possibility) that you will win one of the three available scholarships.