—________a volunteer is great.
—I think so.Some of us want ________volunteers for the London Olympics.
| A．Being；being | B．To be；being |
| C．Being；to be | D．To be；to be |
—________a volunteer is great.
—I think so.Some of us want ________volunteers for the London Olympics.
| A．Being；being | B．To be；being |
| C．Being；to be | D．To be；to be |
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