From the teacher’s _________ look, we could see that he hadn’t expected that we could raise such a _______ question to him.
It had no other effect except ___ him all the anxious.
It might __ reasonable to start the meeting at 4:30.
It's clear that the thief was seen __ into the room that night.
He apologized to me ___ again.
He’s lucky enough to have many people ___ him with the work.