At the meeting they discussed three different __________ to the study of mathematics.

 It came as a great _______ to the parents that their son finally came back safe and sound.  

Helen borrowed my book _______, saying that she would return it soon.

We are working under the command of the manager that no _______ be spared to make the party a success.

Sometimes we need both cultural________ and government action—a change in values and a change in policy—to promote the kind of society we want.