Câu hỏi:

His career in the illicit drug trade ended with the police raid this morning.

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

The notice should be put in the most conspicuous place so that all the students can be well-informed.

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

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

Ralph Nader was the most prominent leader of the U. S consumer protection movement.

The shop assistant was totally bewildered by the customer’s behavior.