Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.

A/An_______is an official document stating that you have passed an examination, completed a course, or achieved some necessary qualifications

How did you persuade Tom to lend you the money?

Recent discoveries in brain research (30) _____ to better ways to learn.

Every time we learn something new, the structure of the brain actually changes as we build new connections to information that we (34) ______ know.

Sensory memory takes (32) ____ information from our five senses and is stored for just a few seconds while our brain processes it.

This part of your memory (33) ______ everything from irregular verbs to the names of all your cousins.

Mark the letter A, B, C or D on your answer sheet to indicate the word whose underlined part is pronounced differently from that of the rest in each of the following questions.

How does the brain (31) ____ new information?