.The soldiers had worked for a long time.They ___ become tired and hungry, but ___ of them would stop to take a rest.

He often asks his neighbour to look after his pet during his _______.

All the traveling ______ are paid by the company if you travel on business.

--Is there ___ wrong with your eyes?  ---No, ____.

Nobody knows how he was murdered, but _______ people behind the scenes can guess why.