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In such a fierce competition, a person has to make every effort if he ______ .

A. has succeeded      B. is to succeed      C. would succeed       D. will succeed

B


解析:

句意:在如此激烈的競爭下,一個人要想成功,就必須竭盡全略。If條件句中可用be to結構表示按事態發展,最終會……,或注定會……。

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A. different                   B. similar             C. far                          D. familiar

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