The first decade of the 21st century breathtaking, non-stop development in China.
A. witnesses
B. witnessed
C. will witness
D. had witnessed
网友回答
A. witnesses
(答案→)B. witnessed
C. will witness
D. had witnessed
解析:考查时态。主语The first decade of the 21st century表示的是过去的时间,所以所以过去时。句意:21世纪开头10年见证了中国的快速发展。