My ideal job is to be an English teacher, and I want to stay in that profession for different reasons. 1) ____ , being a teacher I can have two vacations in a year, namely the summer vacation and the winter vacation, during which I can either stay at home or go out for sightseeing . 2) ____ , teaching itself is learning . In order to teach well, I have to be very confident in and familiar with what I am going to teach in class. 3 ) ____ , my English will be greatly improved . 4) ____ , by teaching I have a lot of chances to stay with groups of innocent boys and girls, which, to some extent, makes me feel young and energetic. 5) ____ , it is pleasant to be an English teacher. A. in short B. in addition C. by and by D. first of all E. secondly