Don’t read. Reading will not help your pronunciation. Quite the opposite - reading tends to reinforce bad pronunciation habits as you hear your own incorrect speech over and over again.
LISTEN. Listen to movies and audio books.
There are many audio recordings of the Bible or other books on religious topics, and some are free (if you’re actually interested in those kinds of things). Of course, you need not restrict your listening to religious books. Choose something you like at the appropriate level. You can read along if it’s necessary for comprehension.
Movies are even better,