Mathematics ______ the study or science of numbers.A．isB．areC．wasD．were

Effective study skills andstrategies are the _______ of effective learning.

The report focused on the ______ of the study.A．foundlingsB．findsC．findingsD．found

The study made by Brook‘haven National Laboratory shows__________．

She’d like to offer money to ________ needs it to continue his or her study.A.whoB.wh

The relationship between the first study and the second study is that______.A．each present

______ study results were the best of the four pu