if there should be any difficulty,we ________ it.

if there should be any difficulty,we ________ it.
A.will overcome B.should overcome C.should have overcome D overcome
请问一下答案为什么选C.

27dbtm 1年前已收到3个回答举报

勇敢的心0635 幼苗

共回答了20个问题采纳率：85% 举报

should have done sth.表示本应该做而没有做的事情,陈述的愿望与实际情况相反,这是情态动词的虚拟用法,本句中前半句说如果有任何困难,后面就应该为我们都应该战胜它.

1年前

行走人世间幼苗

共回答了5个问题举报

should have + p.p ,虚拟语气的用法

1年前

滕滕幼苗

共回答了41个问题举报

虚拟语气，时对将来情况的假设。

1年前

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