语法与词汇
18.
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
【答案解析】
句意:地震发生后,大量的营救人员夜以继日地为青海省玉树县提供补给。此处应使用现在分词短语作伴随状语,故答案选A。
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