问题
选择题
—How was your journey last week?
—Very interesting. The people there still keep the custom _____ the Ming Dynasty, which is different from other areas.
A．dating back to
B．dating back
C．dated back to
D．dated back
答案
答案：A
题目分析：keep sth. doing sth. 意为“使某事一直处于某种状态”。date back to意为“追溯到”，是固定用法。
点评：解答此类题型关键在于平时的学习中，要重视对固定用法的总结、归纳和记忆，对固定用法能够活学活用。