题目内容
____all the required papers. he didn't answer the questions fluently in class.
| A.Having not read | B.Not having read | C.Not read | D.Not to read |
B
试题分析:句意:没有读要求看的试卷,他在课堂上不能流利的回答。这里需要非谓语动词做原因状语,因为是先没有读,然后才不能流利回答,所以用现在分词的完成式,而且否定词not放在having前面,所以选B。
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