Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks from 6 to 15

Music is universal - it is produced by all cultures. Some scientists believe that music came before speech and (6) ______ as a development of mating calls. In fact, there is one theory that the (7) ______ languages were chanted or sung, rather than spoken. Indeed, in some cultures, music is a form of (8) ______ history. The Aboriginal Australians, for example, use music as a means to (9) ______ on stories of the land and spirits to the next (10)________.

New evidence suggests that music does not just (11) ______ the feel - good factor but it is also good for the brain. A study of intellectually (12) ______ children showed that they could recall more (13)_________ after it was given to them in a song than after it was read to them as a story. Researchers also report that people score better on a standard intelligence test after listening to Mozart. The so-called “Mozart effect” has also been (14) ______ by findings that rats (15)________ up on Mozart run faster through a complex network of paths or passages, known as a maze. Overall, it seems that in most instances people who suffer from any form of mental illness benefit from listening to music.

Điền vào ô 7

A. newest 

B. Simplest

C. earliest

D. easiest