The student said there were a few points in the essay he _____ impossible to und
题型：不详难度：来源：
The student said there were a few points in the essay he _____ impossible to understand.| A．had found | B．finds | C．has found | D．would find |
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答案
| A |
解析
试题分析：句意，学生说他发现这篇文章里有几点很难理解。通过分析句子结构，可知这个句子中包含一个宾语从句。主句用的是一般过去时，从句要用相应的过去时态，所以这里用过去完成时。
点评：宾语从句的时态问题 1）当主句的谓语动词是一般现在时时，其宾语从句的时态可以是任何适当的时态。所以，宾语从句的时态应根据实际情况而定。2）当主句的谓语动词的时态是一般过去时的时候，其宾语从句的时态一般要用任一适当的过去时态。 |
举一反三
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