Instead, it seems that creative thinking is a (n)       of habits.

David is a skillful worker. I’m sure he has enough _______ to fix all the electronic ______.

The man was determined to deal with the problem on his own and turned down ______ of help.   

Besides proper diet, exercise is one of the key ___________of a healthy lifestyle.

The League member is brave, honest and hard-working. In a word, he is a good boy of many _____.