选择题：There was a knock at the door again, and it was th

题目内容：
There was a knock at the door again, and it was the second time someone ________ me that evening.
A、 has interrupted
B、 had interrupted
C、 would have interrupted
D、 should have interrupted
参考答案：

【单选题】在DNS域名系统中，下面___________代表商业组织。A、 COM 　　B、 NET

【单选题】在DNS域名系统中，下面___________代表商业组织。A、 COM 　　B、 NET 　　　C、 GOV 　　　D、 EDU

分类：石家庄铁道大学-土木工程-大学英语III  题型：选择题
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