The19thNationalCongressoftheCommunistPartyofChina(**...

问题详情：

The 19th National Congress of the Communist Party of China (**第十九次全国代表大会) opened     Beijing       October 18 .

A. at; on                        B. in; on         C. on; in         D. at; in

【回答】

B

知识点：介词和介词短语

题型：选择题