关于Thenumberofthebooksi的百科

• Thenumberofthebooksinourlibrary

• 问题详情：Thenumberofthebooksinourlibrary_________about20,000.       A.is                     B.are                    C.has                    D.have【回答】A知识点：主谓一致题型：选择题...
• 2019-12-1019952