Mr. Green is said________an experiment to prove their new method of solving the problem when young.
In a sport team each player has a clear role,and there are few occasions ___________ members are confused or uncertain of their roles.
At today’s meeting we are to discuss and decide on the most effective ___________ to the study of mathematics.
The hurricane damaged many houses and business buildings; ___________, it caused 20 deaths.
、Amy thought it was __________ to read English newspapers every day so she subscribed to(订阅)the 21st Century.
With globalization ___________ the world, learning foreign languages, particularly English, will become increasingly necessary if France is to compete economically.