We _____ have proved great adventurers, but we have done the greatest march ever made in the past ten years.

How many students are born _________the star sign ofAquarius in your class

Although their parents work in faraway cities to make money, those stay-home children(留守儿童) can ______ themselves

Where have you _____ all day —I came back at noon and I ____ in this room ever since.

Nobody knows why the boy can tell what’s written on the paper in another room without looking at it. It really _______ explanation.