TOEIC® listening part III, set 19, exercise 10

[Saneta]

http://www.english-test.net/toeic/listening/two_co-workers_are_discussing_their_career_plans.html

please explain:
1. has an opening for a second-grade teacher=has an opening for a second-class/form/rank teacher ?
2 a sales position

thanks

[Beeesneees]

1. yes
2. a job with the sales department.
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