5. There is a tight connection between theory and practice that all theories ________ from practice and in return serve practice.

Part 2 Vocabulary Directions: There are fifteen sentences in this section. Beneath each sentence there are four choices or phrases marked A, B, C and D. Choose one word or phrase that best completes the sentences. 16. There is a tight connection between theory and practice that all theories ________ from practice and in return serve practice. A: original B: originality C: origin D: originate

At the practice stage, the lesson moves from ______ practice to ______ practice.

Theory is based on practice, ______ in turn serves practice. A: that B: what C: who D: which

The teacher should not control the discipline in class to ensure all students to practice in order in the meaningful practice.