为什么用having?Not having a good excuse for being late ,sally made one up.前半句中为什么用-ing形式?

________an answer from the committee,he was worried.A.Having not got B.Getting not C.Not havin...________an answer from the committee,he was worried.A.Having not gotB.Getting not C.Not having gotD.Having not been got 为什么用not having recieved 作句子开头而不用having not received? （ )to change,he entered a diet program and dropped 70 pounds.determined,having determined ,havin（ )to change,he entered a diet program and dropped 70 pounds.A determined,B having determined ,C having been determined 选什么?为什么? Not having got any answer,he was rather worried.这句为什么用having? Huang TAO said having conversations with friends -----(not be )help at all 为什么用having not having receiving the letterhe decided to write again为什么用having receiving 哪个大神帮我做下英语作业嘛一、Vocabulary and structure (一共10题,每题6分.)试题1 (6分)【72577】 _____ invited to the funeral,the couple were truly worried．A． Not to beB． Not having beenC． Having not beenD． Not havin _____my homework ,l was not allowed to watch TV.为什么用not having finished 为什么用having?Not having a good excuse for being late ,sally made one up.前半句中为什么用-ing形式? groove coverage 的 she前两句的词She hangs out every day near by the beach Havin’ a harnican fallin’ asleep这其中havin'和fallin'是什么写法?并且havin这个单词也查不到什么意思.为什么整首歌只有这个地方用现在 To this day I do not regret having made that remark.为什么用having made而不是making? having lunch in ...为什么用having not having done 还是having not done 为什么 我纠结半天了 Not having done 怎么去用 ----a reply,he decided to write agqin.A.not receiving B.not having C .having not received 选什么,为什么 Not having received a reply,he decided to write another为什么是NOT HAVING RECEIVED,不是NOT RECEIVED为什么这里要用动名词 为什么HAVING在这里做VERB那么RECEIVED做什么,RECEIVED本身不是动词吗?为什么还要加HAVING 语法,非谓语_____ the thesis in time made the professor rather angry.A.The student's not having completed B.The student not having completedC.the student's having not done D.the students having not done为什么要用student's 不用student 还 动词——ing形式的提问1.The man -the short story competition is an old friend of mine.a.winning b.having won2.The plane-at the Pudong airport is from NY.a.arrived b.arriving3.He took me aside and told me the food-did not belong to him.a.havin