Nal
which sentence correctly uses the past perfect tense?
last night, he dreamed about visiting the great wall of china.
again this evening, he will be dreaming of the great wall of china.
he dreams about visiting the great wall of china one day.
he had dreamed about the great wall of china long before he visited it.

nobody is fidda write a whole essay

recent brain research has shown some surprising benefits as a result of formal musical training. learning to play a musical instrument appears to develop parts of the brain that can even influence academic results. the studies indicate that the earlier a child begins training, the more benefits there are. one such study showed that children who began musical studies before the age of seven had a more developed brain in the region where language production and auditory processing take place. scientists believe there is mounting evidence to show that early musical training can improve brain function.

explanation:

the answer is #2 if im not mistaken