摘要: An army spokesman stressed that all the soldiers had been ordered clear warnings before firing any shots. A. to issue B. being issued C. to have issued D. to be issued [解析] order后应接不定式.即order sb to do sth.因此B被排除.又因为issue clear warnings的主语是all the soldiers.也就是说all the soldiers是issue的施动者.所以issue要用主动形式.D也被排除.而且句子也没有强调动作对现在造成的影响.不必用完成时态.答案为A.

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