You are late . What’s the matter —I helpedan old man _______ lost his way home .

The expression on his face suggests he ________ have failed in the competition.—I guess so. It’s not easy after all.

The murderer, who was _____ to death by the judge last week, was only 20 years old.

Though it’s not the 1st time that I ________ Beijing, I still can’t adjust myself to the weather

How do you like the three comic books, Angel— The first one is my favorite, but I like _____ of the others.