Having bought the necessary materials,i decided to get down to the house repairs那个 have 为什么要加ing啊 好像不是动名词短语作主语啊.那那个have 和 bought连在一起怎么理解,是固定词组还是什么?

The new printing machine ----- last week is of great help to our teaching.A.was bought B.bought C.having been bought 1.She went to the supermarket and_____what she needed ,she left for the trainstation,light-hearted.having bought 为什么加having 是因为动作有先后吗 TO be honest ,_______________,i could not walk any furtherA.being tired out B,having been tired outC,tire out D,to be tired out____________ it onTAOBAO,he received the jacket after two daysA,buyingB.Having bought C.TO buyD.TO having bought TO be honest ,_______________,i could not walk any furtherA.being tired out B,having been tired outC,tire out D,to be tired out____________ it onTAOBAO,he received the jacket after two daysA,buyingB.Having bought C.TO buyD.TO having bought with _ she needed _,she left the store.A,something,to buy B,anything,having boughtC,everything,to buy D,everything,bought with _ she needed _ ,she left the store.A,something,to buy B,anything,having boughtC,everything,to buy D,everything,bought 请问以上选项哪个正确, Before ____ the house,you should get a surveyor____ over it.A) buying...looking B)having bought...to lookC) buying...to have looked D) buying...to look With everthing he needed ( ),he left the supermarket.A.to buy B.having bougt C buy D bought 做这道题的理由. the book was bought yesterday. 谢绝机译,英译中General Manager,Mr.Shaun Hammond said having these London taxi’s bought to Chengdu,enhances our hotels international positioning,at the same time acknowledges the prestigious Millennium hotels we have in London and enhance the 1.She went to the supermarket and_____what she needed ,she left for the trainstation,light-hearted.A. bought B. buying C.having bought D.to have bought2.The girl in the last row _____this question,will you?A. will answer B.answers C.answer D.is aksed I _____ a dictionary.I ____ it in the bookshop.A.have bought;bought B.bought;bought The young man is wearing a cool new T-shirt he bought yesterday,___to make a good impression atthe meetingA to hope B hoping C hoped D having hoped 41.Before ____ the house,you should get a surveyor____ over it.A.buying...looking B.having bought...to look C.buying...to have looked D.buying...to look这个怎么选,为什么 Having bought the necessary materials,i decided to get down to the house repairs那个 have 为什么要加ing啊 好像不是动名词短语作主语啊.那那个have 和 bought连在一起怎么理解,是固定词组还是什么? having picnic on the beach The students are having class. books,i,these,bought,yesterday,are,the