问题
选择题
____make any mistakes in the exam ,I went over what I had learnt again and again
A．So as not to
B．In order not to
C．So as to not
D．In order to not
答案
答案：B
题目分析：句意：为了在考试中不犯错误，我一遍又一遍去复习学过的知识。so as not to为了不，不可以放在句首，In order not to 为了不，可以放在句首，其他形式不正确。故选B。
考点: 考查连词短语的用法。