nice ,helpful, patient,easy-going...but u know what i love most? his magical charming voice.you won't wanna miss it!never ever!

还行。

Jeff"s good teacher. He never ask some weird questions but he‘s always considerate, patient and freindly！

The teacher is very kind and patient.

Thanks Teacher Jeff, he is a kindly; nice; professional person with good intention. I like him. I believe he will help me improvement in in English speeking. Thanks again.