He is a strong-willed man and not once ( )in to any difficulty in his life .A.he has given B.he gave C.has he given D.did he give

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He is a strong-willed man and not once ( )in to any difficulty in his life .A.he has given B.he gave C.has he given D.did he give

He is a strong-willed man and not once ( )in to any difficulty in his life .A.he has given B.he gave C.has he given D.did he give
He is a strong-willed man and not once ( )in to any difficulty in his life .
A.he has given B.he gave C.has he given D.did he give

He is a strong-willed man and not once ( )in to any difficulty in his life .A.he has given B.he gave C.has he given D.did he give
他是一个意志坚强的人,从没有一次在生活的任何困难面前让步过.
句中not once 可以看出用完成时,前面he is 是现在式,所以括号里应该用现在完成式,后半句not once 表示否定放在句子前,后面要产生倒装,故选C.

一般过去师太是过去发生的事情对现在不造成影响! 现在完成时是过去发生的事情对现在有影响
这道题有个答题技巧,你看 she is 那个是现在时把,所以我们选择现在完成时

because the status lasts from past to now

句子的时态应是现在完成时,表示从过去到现在,故选C,倒装你知道

not否定词放句首句子要用倒装语序,give in to 屈服于生命中任何的困难,

选C
not once 否定短语之后用倒装。用完成时强调对现在的影响,语气上更强。故选C

once曾经 一般用完成时

首先not放在句首,肯定是倒装句,once的出现一般是现在完成时的时间标志,所以选C