无论何事发生，我们都将勇敢面对。

Whatever ___happens, we shall face it bravely.

你知道这个周末镇上有什么活动吗？

Do you know any fun ___happenings in town this weekend?

由于某种奇妙的巧合，多年后我们再次相遇。

By some curious ___happenstance, we met again after all these years.