题目内容
6.Do you know what subjects they major in while they were at college?major改为majored.分析 你知道他们在大学时主修了什么科目吗?
解答 答案:major改为majored
此处在what引导的宾语从句中作谓语,根据句中的时间状语"while they were at college"可知,这里询问的是过去他们在上大学时主修的科目,应使用一般过去时;故用majored.
点评 本题考查了一般过去时的用法;做本题时,需要通过分析句子的结构,然后根据句中的时间状语判断出本句的应使用的时态.
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