배방고1학년영어 EBS 리딩파워 구문편 Chapter4 같이 공부해요

[문제] 다음 글의 밑줄 친 부분 중, 어법상 틀린 것은? If you’ve ever gone snorkeling, you may ①have seen an amazing sight: an entire school of fish suddenly changes direction as one unit. The same goes for flocks of birds. So are they all following the commands of a leader? Researchers have determined that there is no leader or controlling force. Rather, the individual fish or bird is reacting ②almost instantly to the movements of its neighbors in the school or flock. ③Any individual can initiate a movement, such as...

원문링크 : 배방고1학년영어 EBS 리딩파워 구문편 Chapter4 같이 공부해요