Lotsofrescueworkerswereworkingaroundtheclock,
來源:國語幫 8.55K
問題詳情:
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
【回答】
A
知識點:非謂語動詞
題型:選擇題