原创教案、课件每篇1元-20元
1.(10福建25)
Lots of rescue workers were working around the clock,supplies to Yushu, Qinghai
Province after the earthquake.高考资源网
A">A. sending B. to send C. having sent D. to have sent
答案:A
考点:非谓语动词
解析:表示伴随。从 “were working”可以判断是进行时态,排除C。