问题
选择题
Tom kept quiet about the accident ______lose his job．
A．so not as to
B．so as not to
C．so as to not
D．not so as to
答案
答案：B
题目分析：考查目的状语：句意：为了不丢掉工作，汤姆对这件事保持沉默。So as to do为了做…否定是so as not to do为了不做…，选B。
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