When deeply absorbed in work, _______he often was, he would forget all about eating or sleeping

The answer is connected with the main use______ the body makes of food— to supply the energy for movement

He was ______by his colleagues though he himself didn’t think he had done anything special.

Hi! My name’s Tim. It’s my first time to be here.— ______ .

Jessica suggested the problem worth paying attention ______ at the meeting.