Câu hỏi:

Sometimes when I hear the news, I feel very miserable.

Carpets from countries such as Persia and Afghanistan often fetch high prices in the United States.

Though many scientific breakthroughs have resulted from mishaps it has taken brilliant thinkers to recognize their potential.

He didn’t bat an eyelid when he realized he failed the exam again.

It was very difficult to understand what he was saying about the noise of the traffic.

Around 150 B. C. the Greek astronomer Hipparchus developed a system to classify stars according to brightness.

I clearly remember talking to him in a chance meeting last summer.