In such a fierce competition, a person h as to make every effort if he . A. has succeeded B. is to succeed C. should succeed D. will succeed 题目和参考答案——青夏教育精英家教网—

题目内容

In such a fierce competition, a person h as to make every effort if he _____.

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

D不可以选因为在条件状语从句中用一般现在时代替一般将来时B答案尽管表示将来但是是一般现在时的形式

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