The river was not so clean.

Of course you can't say that it's worth nothing because it isn't perfect, so that doesn't mean that GTD is useless.

I'm aghast at the lack of manners, common sense and so on and so forth on the net.

She must be forty or so.

I'd like the government to respond resolutely so as to not end up looking timid.

Then, if so, why were the like of Kyouou let upon the throne?

A Mr. So and So came today.

She was so generous as to give me all the money I needed.

For a guy who was chosen by his father as the only son to be taught the secrets of this martial art, he doesn't have much of a kick.