摘要： A volunteer is a person willing to help others, one who offers to do something without . A. paying B. paid C. being paid D. to pay
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A volunteer is a person willing to help others, one who offers to do something without__________.
A．paying B．paid C．being paid D．to pay
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A volunteer is a person willing to help others, one who offers to do something without__________.
| A．paying | B．paid | C．being paid | D．to pay |