In our culture, we are accustomed to sophisticated prescription drugs containing a _____ of chemical ingredients

In the last twenty years, breakthroughs in technology have _____ advanced the way we communicate, bringing us computers, cell phones and the Internet.

The question of going to the United States for a doctor _____ his mind

These days people are becoming more and more _____ about the food they eat.

Jack managed to get 147 tapes and 100 books plus lots of magazines through customs in a(n> _____ way

Though she _____ and pleaded, he refused to go to the dance.

This _____ factor means that there is often a connection in appearance and temperament between parents and children.

His _____ and unwillingness to learn from others prevent him from being an effective member of the team

Although each TV series will be rated on the basis of its usual content, the ratings can _____ from week to week

It was _____ and she did not know enough to analyze each problem properly.