I will expiate to dancing with you since your boyfriend did not show up
'I pushed the button on'. 'I sat on the chair'.
There are many good nutrients in cheese. (I have no idea whether that's actually true or not)
There are several strange questions asked on answers.com. Several kinds of people live in this world.Some are good and some are not.
Your own question is an example. Another is "Immunology is interesting".
"His characters not only survive their snarled problems and pratfalls but learn from their experiences" (Joyce Carol Oates).