thereof
副词(adverb)修饰动词、形容词和其他副词等,说明时间、地点、程度、方式等概念。如:often往往,here这里,very很,quickly很快地。
副词在句中可作状语,表语,短语。
副词分类：
1、 时间和频度副词:
now,then,often,always,usually,early,today, lately, next,last,already,generally,frequently, seldom,ever,never,yet,soon,too, immediately, hardly,finally,shortly, before, ago,sometimes, yes...全部
副词(adverb)修饰动词、形容词和其他副词等,说明时间、地点、程度、方式等概念。如:often往往,here这里,very很,quickly很快地。
副词在句中可作状语,表语,短语。
副词分类：
1、 时间和频度副词:
now,then,often,always,usually,early,today, lately, next,last,already,generally,frequently, seldom,ever,never,yet,soon,too, immediately, hardly,finally,shortly, before, ago,sometimes, yesterday。
2、 地点副词:
here, there, everywhere, anywhere, in, out, inside, outside, above, below, down, back, forward, home, upstairs, downstairs, across, along, round , around, near, off, past, up, away, on。
3、方式副词:
carefully, properly, anxiously, suddenly, normally, fast, well, calmly, politely, proudly, softly, warmly
4、 程度副词，放在被修饰词之前:
much,little, very,rather,so,too,still, quite, perfectly, enough, extremely, entirely,almost, slightly。
5、 疑问副词，一般放在句首：
how, when, where, why。
6、关系副词，一般放在句首：
when, where, why。
7、连接副词:
how, when, where, why, whether。
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thereof。（地点副词或连接副词）
adv 在其中, 关于。。。, 由此
例如：a problem and the solution thereof
问题及其解决办法。
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