Measures have to be taken to teach young people how to ________ themselves both in family and at school, for they don’t know the basic manners.
Hurry! The train _______. You know it _____at 8:30am. .
With the help of high technology, more and more substances _________ in the past years.
Jim is the only one of the policemen in his office who __________ the award.
The company the girl used to work ________ was shut down last month.
Unless __________, she won’t go to any party.