Your plan _____ to be very practical in the work.A.was proved B.proved C.was turned out D.has been proved

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Your plan _____ to be very practical in the work.A.was proved    B.proved    C.was turned out     D.has been proved

Your plan _____ to be very practical in the work.A.was proved B.proved C.was turned out D.has been proved
Your plan _____ to be very practical in the work.
A.was proved B.proved C.was turned out D.has been proved

Your plan _____ to be very practical in the work.A.was proved B.proved C.was turned out D.has been proved
选择d.这个句子首先考察被动语态.计划与动词之间的关系是被动的.而且时态应该选择现在完成时.强调过去发生的动作对现在造成的影响.

D.has been proved 应该是 计划已经被证实

选B
你的计划在工作中(被)证实很实用的。

D 你的计划在工作中被证实很实用的。
事情已经被证实,所以应该用过去完成时