B 或 C
know 是個動詞,后面接名詞或從句
如果接what,名詞,后面的to do 是作為修飾what 的不定式,表示做什么,像what to eat(吃什么),what to buy(買什么);
what to do 的do 修飾了what 以后,已經(jīng)有do 的對象了,所以不必再加it,改成what to do with it (怎么處理它)可以.
如果接how ,表示一種方式,怎么做,可以直接說how to do it 這里的to do不表示修飾,而是目的,怎么去做
I don't know ( ).A.what to do it B.how to do it C.what to do D.to do what
I don't know ( ).A.what to do it B.how to do it C.what to do D.to do what
英語人氣:587 ℃時間:2019-11-04 13:50:22
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