Agraduationceremony(仪式)isacustom

问题详情：

A graduation ceremony (仪式) is a custom ______ takes place _______  students graduate from a school.

               A. which; when         B. that; who       C. which; whose D. that; which

【回答】

A

知识点：相似 相近词比较

题型：选择题