Mr. Smith, _______ of the ______ speech, started to read a novel.

Frank put the medicine into a top drawer to make sure it would not be           to the kids.

If you are going to stay in the United States for longer than a(n) ______ visit, you may be interested in learning more about its people and culture.

 --Our women athletes achieved great success in tile 2012 London Olympic Games.--Yes. No one else could perform ________, I think.

Green products are becoming more and more popular because they are environmentally _________.