题文
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 |
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 |
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