This is a test of commonsense. Complete the next sentence:

How to be a better test taker
Smell a strong scent while studying.
Rub on some cream or lotion with a fruit, vegetable, or flower scent in it. Study while the scent is strong.
Right before taking the test, rub on the same scent. Smell is closely linked to memory, and this trick can help you remember what you learned earlier.