但他说的是真相吗？

But was he telling ___the ___truth?

我想我们永远不会知道那天发生的事情的真相。

I don't suppose we'll ever know ___the ___truth about what happened that day.

说实话，我很高兴他不来。

To tell you ___the ___truth, I'm quite pleased he's not coming.