幸好我们早点买了票。

___It's ___a ___good ___thing we bought our tickets early.

我认为你父母要来是件好事。

I think ___it's ___a ___good ___thing that your parents are coming.

幸好天气放晴了，适合野餐。

___It's ___a ___good ___thing the weather cleared up for the picnic.