The way he talks left all the people present with a very profound impression.
Nowadays people prefer to communicate through/via email than writing letters.
He got a chance to take part in the recording of a TV show,this made him too excited to sleep.
In many situations/circumstances,the way you talk is much more important than what you actually talk about.
In fact,hardwork is the key to grasp a foreign language.
Due to/ Because of his lack of confidence,he looked very nervous on stage.