题目

题型：不详难度：来源：

The people there did not allow them to set up a factory _____ pollute the water in the river.

A．not so as to

B．so as not to

C．in order to

D．so that

答案

B

解析

句意是;为了不污染水，那里的人不允许他们建工厂，so as not to do “为了不…”。选B。