Then a curious sort of grin appeared on his face.

Fortunately, this sort of problem appears to be extremely rare.

What sort of person (or creature) appears to be speaking in the text?

But some sort of new party, I understand, had very recently appeared.

But I hope you are ready to get out the moment some sort of resolution to our crisis appears.

Now some sort of compromise appears to have been worked out.

A similar sort of huge object had appeared right behind them.

Some sort of conflict appears to be mounting between various organizations.

All sorts of normal rules didn't appear to be in force here.

There were raised voices, and some sort of struggle appeared to be going on about the pit.