40.( Many of) species of milkweed are (among) the most dangerous of (poisonous plants), while others have (little), if any, toxicity.
Many of 错了没问题,我想知道的是怎么改,改成many还是some还是some of ,有others就一定要有some搭配吗?不定代词+of+限定词+名词的结构中,限定词是不是必须要有,如过是的话,可不可以改成many of the 或者是some of the呢?