In Japan and Korea people bow when they meet for the first time.A. supposed to bowB. are

问题补充：

In Japan and Korea, people bow when they meet for the first time.

A. supposed to bow

B. are supposed to kiss

C. are supposed to bow

D. suppose by bowing

答案：

A. supposed to bow

B. are supposed to kiss

(答案→)C. are supposed to bow

D. suppose by bowing

解析：本题考查短语固定搭配。be supposed to do sth，表示应该做某事，故选C，符合题意。句意：在日本和韩国，人们第一次见面的时候他们应当鞠躬。