Choose the correct words to fill in the following passage.

It is difficult to write rules that tell exactly when we should apologize, (41) ____ it is not difficult to learn how. If we have done something to hurt someone’s feelings, or if we have been (42) _____ or rude, we should apologize. An apology indicates that we realize we have (43) _____ a mistake, and we are sorry (44) _____ it. It is a way of expressing our regret for something. When we (45) _____, we admitted our wrongdoing, usually offer a reason for it, and (46) _____ regret.

Peter: “What________ your flight?”

Mary: “There was a big snowstorm in Birmingham that delayed a lot of flights.”

During the campaign when Lincoln was first a(n)________ for the Presidency, the slaves on the far-off plantations, miles from any railroad or large city or daily newspaper, knew what the issues involved were.

By appearing on the soap powder commercials, she became a ________ name.

When the Titanic started sinking, the passengers were________.

Da Vinci’s Mona Lisa is _____; if it was destroyed no amount of money could ever replace it.

The elaborate bridal costumes of the coastal Indians are ____ from mother to daughter.

As the years passed, Joe’s memories of his terrible experience _____ away, and he began to lead a normal life again.

It is said that a drizzle on the Phap Van - Cau Gie Expressway caused poor______ and slippery road surface, leading to the vehicles, traveling at high speed, unable to respond safely.

I was very sad when the vet said he'd have to ________ Gertie, our lapdog.

You're 18! You ________ to be able to look after yourself by now.