After his wife's death, Jackson has developed quite a few ...... concerning his behaviour.

We're facing a ...... troublesome task that needs to be solved asap.

You were ...... silent at this week's conference. What's wrong?

If you've lived in our small town as long as I have, you would understand all the ...... of the people as well as the local government.

We're deep down in trouble and you don't want to do anything. That seems to be a ...... Greek way of handling financial problems, isn't it?