2. 职称英语
  3. January 1st, 1997, is the historic date when Britain (join) ______ the Common Ma

January 1st, 1997, is the historic date when Britain (join) ______ the Common Ma

游客2024-07-05  49
问题 January 1st, 1997, is the historic date when Britain (join) ______ the Common Market.
选项
答案 joined
解析 “when”引导的是一个定语从句，需要一个谓语动词，主句用的是“is”，而此句的时间是过去的一个具体时间，所以“when”引导的从句要用一般过去时表示。
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