She took a sip of her drink, then added in a thoughtful tone, "And anger."

He didn't like the thoughtful tone that had crept into the engineer's voice.

'That's a great deal to make one word mean,' Alice said in a thoughtful tone.

In a thoughtful tone he added: "You are very unlucky."

"It might be interesting to try," Alva said in thoughtful tones.

As he looked over toward the wall, his voice took on a thoughtful tone.

"Perhaps they are," assented the Wizard in a thoughtful tone of voice.

"Dips," said the one called Andy in a thoughtful tone of voice.

I don't think we'd better tell her yet, Dorotea said in a very thoughtful tone.

"Not unless he had a great deal to gain by it," the thin dragon said in a thoughtful tone.