It was ______ we were returning home ______ I realized what a good feeling it was to have helped someone in trouble.

They are able to talk openly to one another whenever _________ of them feels hurt.

We arrived at work in the morning and found that somebody ________ into the office during the night.[ ]

It is difficult to imagine his ______the decision without any consideration.

Jack ______ the bus as soon as it stopped; and then to his joy he met an old friend of his on that bus.