Lots of rescue workers were working around the clock, supplies to Yushu, Qinghai
来源：网络
时间：
推荐文章
Lots of rescue workers were working around the clock, suppliesto Yushu, Qinghai province after the earthquake....
A. sending B. to send C.having sent D. to havesent
试题答案
【答案】
答案A。
【解析】考查非谓语动词。句意为：“地震发生后，大量的营救人员夜以继日地为青海省玉树县提供补给。”A项意为“正在送”； B项意为“将要送”； C项意为“已经送到”； D项意为“将要已经送到”。该空作伴随，表示正在送供给的意思。故选A项。可排除B、C、D三项。