Which preposition to use with gawk

at Occurrences 3%

Everybody noticed it; you gawked at her all evening.

of Occurrences 2%

Here was this overgrown gawk of a green country boy, just out of his roundabouts, who had never spent more than a day at a time in the great city, and never lived in any kind of a boarding-house; in fact, here was a fellow who had had no advantages whatever,coming out as a sort of hero.

with Occurrences 1%

He stood gawking with the effort of thought, hardly conscious of his mother's cry: "Christopher, I never meant you to know!" He kept on staring at the ashen face between the pillows, long (as his own was long), sensitive, worn; and at the 'cello keeping incorruptible vigil over its dead.

Which preposition to use with  gawk