Choose the letter A, B, C or D to indicate the options that best complete the passage. In Japan, it's imperative to be…

Choose the letter A, B, C or D to indicate the options that best complete the passage.

In Japan, it's imperative to be (1) ________ , so being late is often considered a serious problem. In greeting, Japanese people bow; the young must bow more deeply to the elderly to show (2) ________ . They have to take off their shoes and wear slippers when entering a home, even for guests.
Different (3) ________ the Japanese, the French often arrive late for parties or even for work. Besides, they greet each other by kissing on the cheek twice or even three times, (4) ________ could be strange to lots of Asians. In India, when entering homes or temples, people take off their shoes. However, there's a unique belief that (5) ________ left hand is considered dirty. So, using the left hand for eating or socializing is (6) ________ .