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____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?
人气:149 ℃ 时间:2020-03-23 10:00:25
解答
D Not knowing
伴随.
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