Excuse me, sir. Here’s a package for Lin Tao. Which room does he live in?—————.

Jane is one of the students in the class have ever been to China.

__________ volunteers will be needed for 2014 International Horticulture Exposition (国际园艺博览会) in Qingdao.— Let’s go and join them.

Sunday is the _______ day of a week.

There will be ________water and ________trees in 100 years, how can we live?