what to do 与how to do 的区别
I don't know ____________.
A.what to say or do B.what to say and to do C.how to say or do D.how to say and to do
人气：367 ℃ 时间：2020-04-04 11:12:52
解答
选择A
what to do是没有问题的,因为what是一个名词性疑问词,后面无需加宾语；而how不是名词性疑问词,所以后面要加宾语,以免成分残缺.
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