I’ve come from the government with a message ________ the meeting won’t be held tomorrow．

There is a new problem involved in the popularity of private cars________road conditions need________.

High school students continue to work hard, _______ they often complain about great burdens and pressures in their life.

--- I wonder how much you charge for your service. --- The first two are free ______ the third costs $30.

_____ she is the only daughter of the boss, she started from the lowest position as a common employee.