How to use "thoughtfully" in a sentence

Mme Thenardier looked at Fantine thoughtfully, but said nothing.

She did not reply but stood thoughtfully looking at him, seeming to have lost all her earlier confidence

I saw Colonel Julyan look thoughtfully at Maxim

Puzzled, frowning thoughtfully, Vivienne put down the knife, pulled one end of the sofa away from the wall, and collected the framed eight-by-tens that were on the floor behind it

"True." He stared thoughtfully at the computer

"I wouldn't like that," Kennebeck said thoughtfully

Dombey stared thoughtfully at the spreading frost