2-C. As you said, studying intercultural communication is useful because we can cope with cultural misunderstandings more easily and smoothly.As you said, studying intercultural communication is useful because we can cope with cultural misunderstandings more easily and smoothly.
3-C. That's a useful piece of information.That's a useful piece of information.
それは、有益な切り口です、情報のダヨ。
4-C. A useful way for parents to choose books for their children is to look for those with the Caldecott Medal displayed on their covers.A useful way for parents to choose books for their children is to look for those with the Caldecott Medal displayed on their covers.
5-C. (5) It would be useful to learn Chinese because China has the greatest number of people.(5) It would be useful to learn Chinese because China has the greatest number of people.
6-C. (4) Chinese would be most useful because China is a fast-growing economy.(4) Chinese would be most useful because China is a fast-growing economy.
(4)中国語は、最も有用であろう、というのも、中国は急成長している経済であるため。
7-C. Jennifer: Well, with the globalization of many businesses, knowing a foreign language has become increasingly useful in the workplace.Jennifer: Well, with the globalization of many businesses, knowing a foreign language has become increasingly useful in the workplace.