分类：教育/科学-学习帮助
问题：Beijing______theone
Beijing ______the one-a principle that both Taiwan and the mainland ______ paart of China as a precondition for any cross-Straits talks.A.  take ...is B.  took ...areC.  takes ...areD.  takes ...is 
回答：选C。Beijing作主语，用第三人称单数。后面是that引导的同位语从句，解释principle，其主语是 both Taiwan and the mainland ，用复数。