The bell _______ the end of the period rang, _______ our heated discussion.
The river, ______the bank are covered with trees, is very long.
Is it the years _______ you worked in Africa as a doctor _______ have a great effect on your literary works?
Young people who have got jobs may realize university lessons can’t be the only preparation for all of the situations ________ appear in the working world.
Today the public is much concerned about the way _______ .
It was in the factory _______ his friend worked _______ he picked up a lot of experience.