Student or Learner
In the following sentence, what could be the best word that can fill the 2 blanks and why?
Modern transpor tand communication conditions are very different from ________ they were 1500 years ago or ______ 100 years ago.
Why don't you give us the answers you believe fit in there? From that point, we can correct/comment if you need.
Please be aware that I'm neither a native English speaker nor a teacher.