I have great knowledge of this subject and I am a doctor therefore I can explain I  depth if students willing. GCSE, preferably 
                
                
                    Advert description
                    
                        I can teach one to one if you are looking and resolve your confusions. I am passionate about to transfer my knowledge to my students. I am very calm and flexible teacher and you can enjoy your learning. I understand the pupil level and focus on it.