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正确答案A
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正确答案A
