Next to us lives Mr.Lv.He is a math teacher,he is about fourty years old and look very strict.In fact,he is very kind.
    He always gets up very early,And he always goes to work very early,too.In class,he is very strict.If a student makes a noise,he is very angry.He always tells his student:“It’s have math class now,isn’t class.Don’t make a noise!Ok?”
    But class over,Mr.Lv is very kind and funny.He always says jokes with his students.His students always very happy.Because the joke is vey interesting.