The modern history of Italy dates from 1860, the country became united. A. whenB. ifC. si

发布时间：2020-08-17 14:05:40

The modern history of Italy dates from 1860,      the country became united.
A. when
B. if
C. since
D. until

网友回答

(答案→)A. when
B. if
C. since
D. until
解析：
A。when 引导的是非限制性定语从句。
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