18. A new ___ bus service to Tianjin Airport started to operate two months ago .
Always remember it is none of your business _____ other people think about you.Just believe in yourself.
The members of the board are discussing the problem right now; it will _____ have been solved by the end of next week.
All the citizens strongly insist those found _____ "harmful" advertisements in the street should be punished strictly.
All the preparations for the task _____, and we’re ready to start.
A lot of people find it useful to have a phrasebook when they travel to a country _____they don’t know the language.