◎ 题干
Lots of rescue workers were working around the clock,_____ supplies to Yushu,Qinghai Province
after the earthquake.
[     ]
A. sending        
B. to send              
C. having sent          
D. to have sent
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“Lots of rescue workers were working around the clock,_____ supplies to Yushu,Qinghai Provinceafter the earthquake. [ ]A. sendingB. to sendC. having sent D. …”主要考查了你对  【现在分词】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。