1.   It also requires that teachers in schools should know the purposes to which their assessments and predictions will be put.

2.   Do you know the purpose of these loops?

3.   Our working lives increasingly are devoted to the service of giant corporations whose purposes we cannot know.

4.   People who know the purpose of the medication and the way it is supposed to work often do better than others.

5.   The neighbor testified that he did not know the purpose of the trip, and he was not prosecuted.

6.   The prisoners did not know the purpose of the blood sampling, he said.

7.   The women did not know the purpose of the experiment and seemed unaware that they were smelling a human odor.

8.   Their purpose is not known.

9.   Their purpose is not known for sure but they may serve as claws to bring the collagen fiber to the active center.