动名词用法~he gazed at the display for several minutes before re-entering his shopafter gazing at the display for several minutes,he went back into his shopre-entering和gazing动名词怎么用,有什么规则.

动名词用法~he gazed at the display for several minutes before re-entering his shopafter gazing at the display for several minutes,he went back into his shopre-entering和gazing动名词怎么用,有什么规则. 新概念英语第三册选择题He ____the display for several minutes before re-entering his shop .A,was gazing at B.gazed at C,had gazed at D,had been gazing at请告知理由, 关于过去时和完成时的区别He (gazed at) the display for several minutes before re-entering his shop.括号内的为什么不能用 have gazed at.后面有before 说明 gazed at在re-entering 之前发生 这种情况（包括after）到底 童话英语翻译`I am glad there is some one in the world who is quite happy,' muttered a disappointed man as he gazed at the wonderful statue. He ________the display for several minutes before re-entering his shop.为什么是gazed at,不是用完成时才对的吗? 老师请回答一下原句是After gazing at the display for several minutes,Mr.Taylor went back into hisshop.He ( )the display for several minutes before re entered his shop.A.was gazing at B.gazed at C.had gazed at D.had been gazing at 本人觉 比如：例句1.I am not very good at drawing.2.He is good with people.“be good at.”擅长.“be good with.”在行...以上有区别吗?用法是说“at”后跟动名词、“with”后跟名词吗?英语动词与动名词区别?用法一样 动名词的用法 英语动名词的用法 动名词的用法是什么. 请问stare glance glare gaze有什么区别啊173.He ____ at the young man with his eyes wide open ,for he simply couldn't believe he was his long lost son.A.staredB.glancedC.glaredD.gazed At night,people gazed the full,round moon .A in B to C for D at 动名词的用法是什么?动名词有几种用法?分别是哪几种? 英语动名词的用法(ing) She gazed at for some time then added这个句子中gazed和added都是动词,那么then是副词,如何接两个动词 he__ the display for several minutes before re-entering his shopa) was gazing atb) gazed atc) had gazed atd) had been gazing at he___the display for several mimutes before re-entering his shop.a) was gazing at b) gazed at c) had gazed at d) had been gazing at选择哪一个,及为什么 动词加动名词的用法动词加动名词是怎么回事啊