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雷哥GMAT每日一题]OG15句子改错SC:There are several ways to build so

2016-06-20 14:40阅读：

http://blog.sina.cn/dpool/blog/u/5461314820

There are several ways to build solid walls using just mud or clay, but the most extensively used method has been the forming of bricks out of mud or clay, and, after some preliminary air drying or sun drying, they are laid in the wall in mud mortar.

A. the forming of bricks out of mud or clay, and, after some preliminary air drying or sun drying, they are laid
B. forming the mud or clay into bricks, and, after some preliminary air drying or sun drying, to lay them
C. having bricks formed from mud or clay, and, after some preliminary air drying or sun drying, they were laid
D. to form the mud or clay into bricks, and, after some preliminary air drying or sun drying, to lay them
E. that bricks were formed from mud or clay, which, after some preliminary air drying or sun drying, were laid

雷哥GMAT
解析
当前版本由 小白白 更新于2015-06-24 16:18:45感谢由
小白白 对此题目的解答所做出的贡献。

A. forming and they are laid不平行
B. forming and to lay them不平行
C. having and they were laid不平行
D. 正确
E. which修饰mud or clay错误

当前版本由 01Z**** 更新于2015-10-28 15:50:42感谢由
01Z**** 对此题目的解答所做出的贡献。

本题考察平行结构和动词形态
ways to build在第一部分，已经指定了后面的句子也要使用to do的形式，A,B,C都错。
E 选项： which指代不明

原题：http://www.gmatonline.cn/question/8470.html

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