题目内容
The modern history of Italy dates from 1860, ______ the country became united.
A. when B. if C. since D. until
A
解析:
when 引导的是非限制性定语从句。
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题目内容
The modern history of Italy dates from 1860, ______ the country became united.
A. when B. if C. since D. until
A
when 引导的是非限制性定语从句。