volunteers are working for 2014 International Horticulture Exposition in Qingdao.

--The number of the students in our school       very big.--About 9         students.

—We’ll be back for our school’s ____anniversary ceremony(周年校庆).—I see. That means you’ll have a get-together with your classmates in_______ years.

No school ever allows students to eat in class. But students are always allowed to eat snacks during the ________ break.

 –How far is it from the railway station to the hotel?  --It’s about _______ walk.