Women and children, generally referred to as non-power group, are more likely to become _____ targets for thieves and robbers.

. It is ______ for anyone to choose good friends.

Your letter will get ___ attention; they know you're expecting the answer.

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.

We'll have to wait a ________ two weeks to know the examination result.