We must keep up with the development of the world’s leading enterprises ______we

游客2025-03-20 41

问题 We must keep up with the development of the world’s leading enterprises ______we can keep pace with the changing of the international situations.

选项 A、before
B、unless
C、once
D、until

答案 A

解析 …must do…before…是常用来表达汉语"只有……才能……"意义的句型，直译为"在……之前必须……"，如本句的意思是："我们只有跟上世界领先企业的发展，才能适应日益变化的国际形势。"题中其他选项都不对。

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