问答题China is bordered by ______ countries. ( ) A 19 B 21 C 22 D 20
问答题As is known, the Yi Well（义井）is located inside the Zhongshan Park in memory of ______. ( ) A Sun Yirang（孙诒让） B Yue Fei（岳飞） C Guo Pu (郭璞) D Xie Lingyun（谢灵运）
