TheBeltandRoadForumforInternationalCooperation(一带一路*合作...

问题详情：

The Belt and Road Forum for International Cooperation(一带一路*合作高峰论

        坛)began _________ the morning of May14, 2017 _______ Beijing , China.

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

【回答】

B

知识点：介词和介词短语

题型：选择题