Hi Mohammad,
First off I would recommend visiting the Poodll website at https://poodll.com/ and check out what is available there. Nearly every plugin available from Poodll will help in language teaching. One of Justin's plugins, that I think does not get used as much as it should, is the Read Aloud plugin. With it, you can set up English speaking practice lessons that are automatically graded. Due to the AI that automatically evaluates the students attempts, it is easy to set up lessons that student can try multiple times, on their own.