____how to use a computer,he felt it difficult to do the work well.A Knowing B Not to know C Knowing not D Not knowing是选不定式做状语还是选分词?到底他们也说明区别呢?
问题描述：
____how to use a computer,he felt it difficult to do the work well.
A Knowing B Not to know C Knowing not D Not knowing
是选不定式做状语还是选分词?到底他们也说明区别呢?
答
D Not knowing
答
D
答
D Not knowing
伴随.