问题
选择题
. These old buildings possibly __________ the Ming Dynasty.
A．dated back to
B．date back to
C．date back
D．are dated back to
答案
答案：B
考查词组：date back to追溯到，只能用一般现在时的主动，主语是buildings，谓语是date，句意是：这些古建筑可能追溯到明代。选B。