Marking my curiosity before it was expressed, he answered the unuttered question.

He stopped and waited for her to reply to his unuttered question.

Heliobas appeared to read my thoughts, for he said, as though answering my unuttered question:

Alan's hands clenched involuntarily at the unuttered question.

With his hands thrust deep in his pockets he slowly moved his head back and forth, as though assenting to some unuttered question.

"It is the law," said the latter, apparently replying to an unuttered question.