In summary, for most visitors, the Japanese are (1)_______ and difficult to understand. The graceful act of bowing, is the traditional greeting. However, they have also adopted the western custom of shaking hands, but with a light grip. Meanwhile, to (2)_______ respect for their customs, it would flatter them to offer a slight bow when being introduced. Avoid hugging and kissing when greeting. It is considered rude to stare. Prolonged direct eye contact is considered to be (3)_______ or even intimidating. It is rude to stand with your hand or hands in your pockets, especially when greeting someone or when addressing a group of people. The seemingly simple act of exchanging business cards is more complex in Japan (4)_______ the business card represents not only one's identity but also his (5)_______ in life. Yours should be printed in your own language and in Japanese. The Japanese are not a touch -oriented society; so avoid open displays of affection, touching or any prolonged form of body contact. Queues are generally respected; especially in crowded train and subway stations where the huge volume of people causes touching and pushing.
Điền vào số 4
A. though
B. because
C. even if
D. unless
Đáp án B
Giải thích: because: bởi vì, even if: ngay cả khi, unless: nếu không, though: mặc dù, chúng ta chọn B để phù hợp với nghĩa của câu.