I think you've got to add a little bit to that.

Add a single bit with value 1 to the end of the data.

You may need to add a bit of additional oil.

Oh actually sorry, if I could just add a little bit to that.

Nothing wrong with that, but to add a little bit, you don't need it.

I will add only one thing, a bit of advice.

To keep it going, you have to add a little bit of energy on each cycle.

She added a bit of hot water from the cooking box.

They are pretty big books so can add a bit of weight to the pack.

These add weight, but also a good bit of protection against the elements.