This is the Grammar Guy column, a weekly feature written by Curtis Honeycutt. I can think of a few things off the top of my head that I hope never to use: math, a fire extinguisher, Pepto Bismol and ...

I can think of a few things off the top of my head that I hope never to use: math, a fire extinguisher, Pepto Bismol, and the flotation device on the bottom of my seat cushion on an airplane. In ...

I can think of a few things off the top of my head that I hope never to use: math, a fire extinguisher, Pepto Bismol, and the flotation device on the bottom of my seat cushion on an airplane. In ...

I can think of a few things off the top of my head that I hope never to use: math, a fire extinguisher, Pepto Bismol and the flotation device that is the bottom of my seat cushion on an airplane. In ...