Theprogram was so fascinating that the children kept their eyes _____on the screen

Look, _____ fashionable clothes is she wearing that all the eyes are fixed on her![ ]

I don’t like any humor in serious speech because I can’t think of any _______ where this would be beneficial or useful.

In order to find out how the famous painting was stolen as soon as possible, more experienced policemen have been sent to _____ the case.

When can I see you again—___________ is fine with me. I’m free these days.