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一道分词的题目.He was sitting there ,_______ in deep thought.A lost

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一道分词的题目.
He was sitting there ,_______ in deep thought.
A lost
B losting
我是这样想的,填losing表示主动的意思,lose和sb是主动,所以用losing,哪里错了?感激不尽!
一道分词的题目.He was sitting there ,_______ in deep thought.A lost
答案:A.
解释:
此类题目(用现在分词/过去分词做状语)有一个简单的诀窍如下:
1. 把做状语的分词和句子的主语(即分词的逻辑主语)连在一起,如果可以构成一个如下句型:
句子主语 + be + 分词 + 主句其他成分.
该句如果通顺,则选用某种分词.
2. 如上套入该句分别为:
He was(be) lost in deep thought.
He was(be) losing in deep thought.
楼主现在知道哪个答案正确了吧?
固定短语:be lost in...= lose oneself in...
3. 所以正确答案是A,而不是B.
如果要选用B losing(不是losting)为正确答案,则状语必须改成:losing himself in deep thought才对.
4. 当然也可以如此正常理
此题中的lose为及物动词,必须加him/himself做其直接宾语,所以He和lose之间其实是被动关系,而不是主动关系.
给个类似的题目给楼主看看:
(Devoted) to his career, he has little time to spend with his family.
= (Devoting) himself to his career, he has little time to spend with his family.
同样含有短语:devote oneself to...= be devoted to...,但是不能说:devote to...