Some of them were deep enough to put his thumb into.

"See what happens when I put my thumb the way he told me to?"

I put my thumb up and gave him a smile.

Do not put your thumb over the end of the unit.

"Just be sure you put your thumb over the right hole."

I put my thumb on mine and stepped to one side to have a clear field of fire.

She put her thumb against the edge of the cover and lifted it.

He put his thumbs away and tried a different tack.

Put your thumb at the bottom of the pump bottle.

Henry got hold of a match, held it up, put his thumb against the tip.