Mr. Brown repeated his words to his son, raising his voice a bit, but still        no answer. 

He came to my class every week, but his attitude ________ he was not really interested in the subject. 

Diets are most effective when _____ with exercise.

When the question _____ at the meeting, no one could answer it.

Not until he went through real hardship ________the love we have for our families is important.