Nuclear radiation is said __________ the biggest health challenge in Japanese Earthquake over the past few months.
Students who graduate with working experience will be given _____ over those who never work in any company.
A survey indicates the _____ of men to women in the population has changed in recent years.
-- Do you think you could manage it? --_____. This is my first time to do it alone.
One-third of the area _____ covered with trees. About seventy percent of the trees _____ been planted recently.
Allow children the space to voice their opinions, _____they are different from your own.