TheBeltandRoadForumforInternationalCooperation(一帶一路*合作...
來源：國語幫 1.58W
問題詳情：
The Belt and Road Forum for International Cooperation(一帶一路*合作高峯論
壇)began _________ the morning of May14, 2017 _______ Beijing , China.
A. in; in B. on; in C. on; on D. in; on
【回答】
B
知識點：介詞和介詞短語
題型：選擇題
