.The chief________of the year 2010 for   Shanghai will be the Expo.

The girl acted properly and confidently during the job interview, which made a deep________on the employer.

She dreams of ___________ the ocean some day, where she can enjoy all kinds of fish and underwater plants.

----Do you have anyone particular in _____ for the job?----In my opinion, Tom is the right person.

 Schools that serve healthier food, offer nutrition education and reward students for good eating habits can make a major        in preventing childhood obesity.