Foreign ministers of the two countries hold regular meetings, they can exchange views on international issues of both concern.
A. what
B. where
C. which
D. why
网友回答
A. what
(答案→)B. where
C. which
D. why
解析：考查定语从句。本题的先行词是meetings，定语从句的成分很完整，故使用关系副词where=in which.句意：这两个国家的首相经常会见，在会议上他们交换对于共同关心的国际事务的观点。故B正确。