She looked highly doubtful that he had anything at all she'd find interest- ing.

It is highly doubtful any civilians were still in the area by the time white phosphorus was used.

In 1923 he was highly doubtful of both sound and color.

Yes, the lawyer said, but the results were highly doubtful even if all the test bombs malfunctioned.

It is highly doubtful that Thomas or Brown will speak to the news media.

But he also said it was highly doubtful that the Pentagon would seek his advice as a consultant any time soon.

But memory is unreliable, and it's highly doubtful the conversation was taped.

"That any approach along these lines would lead to an improvement in economic performance, however, is highly doubtful."

He ultimately concluded: "it was highly doubtful that any such transaction had ever taken place."

It is highly doubtful that ratification in two or three years' time will have a greater chance of success than today.