划线的were作为谓语和划线部分之前的谓语were重复,应该去掉或者用连词and连接;
两个谓语were用逗号连接,句子结构错误。
choice a is a run-on - it tries to have two main verbs without using any sort of subordinating element. if you take out modifiers, adjectives, etc., you're left with the following: the settlements were built with structures were connected. that's bad.
The Anasazi settlements at Chaco Canyon were built ....., were
were 重复两个谓语动词
划线句中的were是重复,如果一定要用,需要and 连接前后两个were
两个谓语动词之间没有连词
were 与前面重复了 应该删去
划线的were作为谓语和划线部分之前的谓语were重复
两个were,谓语动词重复
划线的were作为谓语和划线部分之前的谓语were重复,应该去掉或者用连词and连接
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