According to a survey by the WHO, nearly two-thirds of women in China are _____ exposed to second-hand tobacco smoke at home and in their workplaces.
Many students joined in the __________ race in the sports meeting to be held next week.
Now there are many __________ in our company.
__________ couldn't help stopping to listen to the blind performer's wonderful music and leaving him some __________.
The parents were shocked by __________ news that their son needed __________ operation on his knee.
People develop __________ preference for a particular style of learning at __________ early age and these preferences affect learning.