he has devotes his life to.和he devoted his life to.有什么区别吗

he has devotes his life to.和he devoted his life to.有什么区别吗 He has devoted all his life to education.He has devoted hims He devoted all his life to help the poor. he devoted his life to helping the disabled he devoted his life to the promotion of world peace Devoted his whole life time to science,he finally succeeded he devoted his whole life to ____ the children in the poor m Being a scientist, he devoted his entire life to the country He devoted all his life to work hard in people`s interests. Qian Xuesen devoted all his life to ________________ China’s 句型转换In his life,he has always tried to help whoever is more A great person is someone who devotes his/her life to help o