Not having seen linda for many years,l find she is not the girl( )she used beA.who B.whom C.that D.which我想知道为什么B不行啊

12 _____him before ,I didn't recognize him .A Not seeing B Having not seen C Never having seen D Having never seen是否应把never 放在haveing seen 前面 3.He regrets _________ his father yesterday.A.having not seen B.not havingseen C.not to seen D.seeing not 为什么选B! no child wants to admit not having seen what everybody else has.怎么翻译 请问这个怎么填?When passing me he pretended ______ me请问为什么填not to have seen 而不填not having seen?谢谢 Having seen her smile是什么意思? Never having seen anything like this style of architecture before,we thought we were looking at giant sculptures,not building.这句为什么用Never having seen ,而不能用 never had we seen john`s having seen her did not make her worried 中seen也是非谓语动词的过去分词?怎么有2个非谓语动词?having seen 他们可以连用? She pretended_____me when I passed by.A.not to seeB.not seeingC.to not see D.having not seen 选择原因? She pretended _______ me when I passed by.A、not to see B、not seeing C、to not see D、having not seen选那项 为什么 Mr. Smith pretended ( )me when he passed the coffee shop. ( )内填什么.A.not seeing B.having not seen C.not see D.not to see She pretented__me when I passed by.A not to see B not seeing C to not see D having not seen （）before,I didn't know what she looks like.A.Not having seen her B.having seen herC,Not seeing her D.Seeing her .who can help me? No child wants to be an exception in an age of conformity and admit not having seen what everybody else has.这句中的admit not having seen是什么结构呀?admit +doing是固定搭配吧? the policeman could not swear to having seen the accused man at the scene of为什么是swear to having 而不是to have ____any sign of their daughters school,the anxious couple turned to a policem for helpA.seeing not B.Not to have seen C.Not seeing D.Having not seen (请详细说明 John's having seen her did not make hr worried.请问这一句中的John's having seen her是不是看成一个主语（John's做having的逻辑主语）,having seen这是一个什么用法,是不是相当于一个have done.如果是的话是不是 she was a bit nervous as she __her boy friend's parents.A has never seen B didn't seeC had never seen D not having seen为什么选C not having done 还是having not done?