Laughter, along with an active sense of humor, ______ protect you against a heart attack, according to a recent study.
Since Tom downloaded a virus into his computer, he cannot open the file now.
If you are from doing something, you are officially prevented from doing it.
The school offers many _____ activities for the local students.
It is ______ that the noise around us is a(n) _______ to our health and well being.
We can broaden our horizons through _________ to new things.