单项选择题
A. All the audience has gone before the lecture is over. B. Teaching and talking with her is enjoyment to me. C. To tell you the truth is very easy. D. More than one house was burnt down in the fire.
A. And B. So C. Or D. But
A. I know the meaning of every word I learned. B. There stood a man with an umbrella in his hand. C. People consider pure iron of little use. D. The twins are of the same height.