我写的一句英语,

问题描述:

我写的一句英语,
Realized through take part in comprtiton one can learns many knowledge that can't be learnt by reading book alone,so...
Thank you very much!

take part in 应该是taking part in;
通过……应该用by;
realized的前面应该加上主语I,等!
learns不应该加S,应为learn;
alone在这里用不是十分的好,你可以换成only 放在by的后面!