John kept quiet about the accident ______lose his job.

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John kept quiet about the accident ______lose his job.

A. so as to not

B. so as not to

C. so not as to

D. not so as to

参考答案:

B20.答案为B 为了不丢掉工作约翰对该事故保持沉默。so as to...“以便……”,否定式是so as not to do...。