Student or Learner
I think gives the experiment the green light. comes from the traffic light whose "green light" allows people to pass. Doesn't it?
15)The principal asks the teacher if a chicken would be better instead of a pig. But at Mr. Hoshi's insistence, the principal gives the experiment the green light. Mr. Hoshi explains to his class the goal of the project.
Last edited by keannu; 29-Sep-2013 at 00:36.