问
He left home very early ____ be late for the meeting.
A. not so as to B. so as not to
我选了A,对吗?
答
应当牢记:动词不定式的否定式是 not to do(参见infinitive , gerund , not )。故上题答案为 B。再如:
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I'll have everything ready so as not to keep you waiting. 我会把一切都准备好,使你不必等候。
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She is whispering in order not to wake the children. 她轻声说话,为的是不把孩子们吵醒。
练习
I'll have to have my watch mended, ____ late again tomorrow.
The background music in an assembly line is designed ____.