For businessmen a more effective role in international business negotiations, th
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For businessmen ________ a more effective role in international business negotiations, they must put forth more effort to improve cross-cultural understanding．
[]A．to play
B．playing
C．played
D．play
试题答案
答案：A
提示：考查非谓语动词。这个句子的意思是“为了商人们在世界贸易谈判中扮演更有效的角色，他们必须……”，要用不定式表目的。