题目内容
From the dates__________on the gold coin, we decided that it was made five hundred years ago.
A. marking B. marked C. to be marked D. having been marked
B
解析:
本题是定语从句的省略。可以将原句恢复成“From the dates(which were) marked on the gold coin'’,这样就比较容易找出答案。

练习册系列答案
相关题目