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 earthquacke.
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 earthquacke.
A.sending
B.to send
C.having sent
D.to have sent