Lots of rescue workers were working arou
题型:选择题
问题:
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
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