题干
Hundreds of students came to Shaoxing to work ________ the World Choir Games in 2010.
A：at
B：with
C：for
D：on
答案(点此获取答案解析）
C
Hundreds of students came to Shaoxing to work ________ the World Choir Games in 2010.
A：at
B：with
C：for
D：on
