Many people are not __________ the danger of their children's bad habits, which made their dreams cannot come true.
Most of the local restaurants were fully booked more than a month ______.
Nowadays, people get news around them and about the world from ______ media: on TV, by radio, in the newspaper or on the Internet.
Less than twenty percent of the employees in their company are women. That is to say, women are in the ______.
Just like fingerprints, each person’s DNA is ______ unless he has a twin.
-How do you often spend your summer holidays? -I often go hiking, for I like ______ nature.