问题
选择题
| 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
答案：A
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| 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：A