Ⅰ、1、 introduction
2、 leader
3、 produces
4、 super
5、 spare
Ⅱ、
Ⅲ、 1、 Yes. That's a hot topic at present.
2、 But how are you going to do that?
3、 I hear they need teachers very much.
4、 I'm going to finish high school and college first.
5、 I hope your dream will come true.
Ⅳ、