Which year is the most difficult for a child born to take the college entrance examination? Which year is the most difficult for a child born to take the college entrance examination? Which year is the most difficult for a child born to take the college entrance examination? Which year is the most difficult for a child born to take the college entrance examination? Which year is the most difficult for a child born to take the college entrance examination? Which year is the most difficult for a child born to take the college entrance examination? Which year is the most difficult for a child born to take the college entrance examination? Which year is the most difficult for a child born to take the college entrance examination? Which year is the most difficult for a child born to take the college entrance examination? Which year is the most difficult for a child born to take the college entrance examination? Which year is the most difficult for a child born to take the college entrance examination? Which year is the most difficult for a child born to take the college entrance examination? Which year is the most difficult for a child born to take the college entrance examination? Which year is the most difficult for a child born to take the college entrance examination? Which year is the most difficult for a child born to take the college entrance examination? Which year is the most difficult for a child born to take the college entrance examination? Which year is the most difficult for a child born to take the college entrance examination? Which year is the most difficult for a child born to take the college entrance examination?