i think a goldfish is very easy ___?to take care\ to look after为什么加to

i think a goldfish is very easy ___?to take care\ to look after为什么加to
i think a goldfish is very easy ___?to take care\ to look after为什么加to

i think a goldfish is very easy ___?to take care\ to look after为什么加to
to look after
翻译：我认为金鱼非常容易照顾.
解析：sb think sth（或者it） +形容词+动词不定式（to）+动词原形.表示某人认为某事.
take care of 词组,照顾的意思,这里如果有of的话,也是可以使用 to take care of
look afer 词组 照顾的意思

事实上可以看做是省略for us(or me)，是个句型， it is +adj(形容词）+to+动词原形