-What are on show in the museum?-Some pictures ____ by middle-school students.A. taking B. having been taken . taken D. being taken
Obama, _______ life was once hard when he was young, were elected President of American.
Was it in the waiting room ______ only allows mothers-to-be to enter that you lost your wallet?
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.