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  • 科目:英语
  • 题型:单选题
  • 难度:中等
  • 人气:1450

According to the UN, chemical weapons were used in an attack near the capital of Syria on August 21,    over 1, 400 people.

A.to kill B.killing
C.having killed D.being killed
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AccordingtotheUN,chemicalweapo