I think the most likely thing is that he's had some sort of accident.

In fact, the only thing likely to take any time is deciding which to have.

What is the most likely thing for a man to have in a basket?

Out here that was the most likely thing to happen.

"But you wouldn't say it was a very likely thing for a human being to do?"

Men might not kill a woman, but some "thing" most likely would!

Only the things likely to be life or death for them.

It was quite a likely thing to happen under the circumstances.

I think the most likely thing will be a full invasion.

"You didn't think it was a likely thing for her to do?"