单选题 In an intensely competitive global community, each company must ______ intimate relationships with other companies.
【正确答案】 A
【答案解析】[解析] 单词形态:动词
1.这是一道单词形态题,选项均为establish的不同形式。
2.助动词must后须接动词原形,A.establish为正确选项。