来源：学生作业帮 编辑：百度作业网作业帮 分类：英语作业 时间：2024/05/31 18:42:21
问一道SAT句子改错题.
Was it they who were involved in the recent unruly demonstration?
答案说这个句子没有错误,但我觉得这个句子很奇怪,
强调句it is/was sth that do sth的简单疑问句
sth这里就是they do sth这里就是were involved do 要与前面they时态一致 所以用were
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