When deeply lost in thought, _______ he often was, he would forget all about eating or sleeping.
_________ we can’t understand is ___________ he didn’t join us in our discussion.
He couldn’t ______ the fact that the money was found in his house.
— You look tired! — Yeah, I ________ basketball since 4 o’clock.
He wants to see changes in the company and I am sure he will ______.
— Mr White has been working all the morning with no rest. — He is a(n) ________ man. He never looks tired.