题干
The number of the volunteers 100 now. And a small number of them already gone to the workplace.
A：is, have
B：are, have
C：is, are
D：is, has
答案(点此获取答案解析）
A
The number of the volunteers 100 now. And a small number of them already gone to the workplace.
A：is, have
B：are, have
C：is, are
D：is, has
