Dưới đây là một số gợi ý cho các chỗ trống:

(6) **improved**
(7) **released**
(8) **educational**

Vậy đoạn văn có thể hoàn chỉnh như sau:

"Our motion pictures can be **improved** if we can educate the people so that they will demand the best... Historical pictures, stories about the lives of great literary figures and prominent scientists have been among the better pictures recently **released**. Motion pictures can be a great aid in learning. Many schools now use **educational** films as a part of their regular class-work."