It while online shopping is an important part of today‘s society.句子结构分析为何要有it while?it的作用是什么？

It while online shopping is an important part of today‘s society.句子结构分析为何要有it while?it的作用是什么？ While it was looking at the souvenirs,the shop assistant called the police 下面的句子中while后面为什么要加be,she is excited by the idea of online learning while be considers it meaningless and useless. -Let's go shopping at the new mall.-Why not shop online?It's___.A.expensiveB.more expensiveC.less expensiveD.the most expensive People need to be careful when they shop online. many people like going shop online这句子对吗 _____(save)money,I think you can shop online. this is a good online shop?I want to know if here is a good online shop what do you see wrong with shopping online while at online, 英语翻译Online shopping（1）Online shopping is the process consumers go through to purchase products or services over the Internet.An online shop,eshop,e-store,internet shop,webshop,webstore,online store,or virtual store evokes the physical ana 英语翻译I am not sure...Is it good to shop online or not?我听到他们在隔壁拉小提琴.I hear them ___ ___ ___ in the next room. Therefore,it while online shopping is an important part of society,people need to do what they can to prevent identity theft.it while…it去掉可以吗?这句中it是啥成分?what they can to prevent…what 能改成that吗?can后面为啥用 It has taken while Shopping on the Internet作文,请修改一下,哪错了,错在什么方面.①Now,as is know to all.② The most of people prefer shop on the Internet to shop on the store .③Nowadays,it is common for computer applying.④Online shopping has been b while I ____(shop)this morning,I___(lose) my money 口语考试!Why do you think more and more people shop online? managing a online shop can get more money than working for a company.这句话对吗?