I _____ for five minutes; why don’t they come?
Do you think that bridge ____ 2,000 meters long? It doesn’t seem ____ long.
We now live in ____ is called the Information Age.
One hundred percent _______ to your studies, though it can be lonely and no fun at all, will leave precious marks on your youth.
While intelligent people can often _____ the complex, a fool is more likely to complicate the simple.
—Could you help me take care of my pet dog on the weekend? — I’m afraid I’m not that day.