As you know Dictation (exercise) is when one person speaks while another person transcribes what is spoken.
Just spend 15 minutes a day for reading news and listening news on my blog, you can improve your english quickly.
Listening Practice through Dictation encourages learners
to notice and improve spelling, vocabulary, sentence structure, cohesive
devices used in speaking and writing, and punctuation, apart from
providing invaluable exposure to audio-recorded language from native
English speakers. The progression of grammar, vocabulary, passage
length, and complexity is controlled from one book to the next in order
to give learners an effective and rewarding stage-by-stage language