conducted built
challenged permitted rescued
interesting-interested(adj.interesting有趣的,有意思的,一般用于形容人,物:Playing games is interesting. be interested in是固定搭配,意思是对...感兴趣)
taking-taken(shared说明这是过去发生的事,photo是被拍,所以用被动语态,而且是先于share with...这件事发生的,故用taken)
using-used
(希望对您的学习有帮助)