如果你定期学习，通过考试的机会就更大。

If you study regularly, you'll have a better ___chance of passing the exam.

这个时间点打到出租车的可能性有多大？

What are the ___chances of finding a taxi at this hour?

如果我们现在出发，很有可能在天黑前到达。

There's a good ___chance we will arrive before dark if we leave now.