l learn English by the radio 这句话对吗?

l learn English by the radio 这句话对吗? learn English by listening to the radio. We learn English by _________ the radio Li Hong learn English by listening to the radio 的时态 A few people learn English ( )the radio A by B with C on D i they learn english on the radio He always learn English _____ the radio I'm going to learn english这句话对吗? how much hard is to learn English 这句话对吗? he wants to learn good english ,too.这句话对吗 I learn English by myself .和 I learn English myself .这两句话翻译出 They learn English （ ） the radio every day