پرسش‌های dorcci

 Not until a student has mastered algebra ……… the principles of geometry,  trigonometry, and physics. 

The ……… of scientific thinking has institutionalized the idea that knowledge has to  progress and can do so only through research.

His insurance company had told him not to admit ………, even though it was clearly his fault.

The United Nations passed a ........ to increase aid to the Third World.

"The best way to predict the future is to create it."