②→ Enhancing your business English skills will open up new career __.
occur
opera
opportunities

③→ Learners of business English should study a wide range of business topics especially talks and __.
present
presentations
prime

④→ Business English as an __ language.
internal
intercontinental
international

⑤→ Business English is utilized to get a point across in a formal and __ manner.
henceforth
straight
straight-forward