31.Thank you.Without your help,we ___ our goal.a.will not reachb.have not reachedc.wouldn't reachd.wouldn't have reached选什么,怎么分析的,为什么不选其他的?

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31.Thank you.Without your help,we ___ our goal.a.will not reachb.have not reachedc.wouldn't reachd.wouldn't have reached选什么,怎么分析的,为什么不选其他的?
31.Thank you.Without your help,we ___ our goal.
a.will not reach
b.have not reached
c.wouldn't reach
d.wouldn't have reached
选什么,怎么分析的,为什么不选其他的?

31.Thank you.Without your help,we ___ our goal.a.will not reachb.have not reachedc.wouldn't reachd.wouldn't have reached选什么,怎么分析的,为什么不选其他的?
d,动作已完成,用完成时;条件句,用将来时.

D,这是虚拟语气,所以只能用WOULD,又事情发生在过去,故用HAVE DONE结构