So absorbed _____ in the experiment that he didn’t even notice it was already over 12 o’clock.
The policemen searched the room thoroughly. That’s to say, they searched it ______.
She had _______ got out of the house _______ it began to rain.
In December 2008, Obama was _________________.
Sometimes children are _______ enough to create ______ stories.
The professor _______ to walk out of the office when one of his students came in.