While shopping,people sometimes can't help ____(persuade) into buying something don't really need.

what do you see wrong with shopping online while at shopping shopping shopping shopping shopping 下面两个句子哪一个正确?I met Tom while I was shopping.I met Tom when I was shopping. While (购物) in the department last week,I saw him.请问是填shopping还是going shopping 还是doing some shopping? Mary meets Betty while doing shopping in a supermarket,中的 while是什么意思,在句子中解释为什么? While shopping,people sometimes can't help ____(persuade) into buying something don't really need. 挑错题while shopping,pepole sometimes can't help persuading into buying something they don't. I was doing some shopping ____ I saw my old friends yesterday afternoon (when/while/as) while visiting France,we decide to de some shopping 这句话有错吗 while girl was shopping when ,the alien got out.神马意思 _While_the girl was shopping the alien got out.里面的While能换成When吗?为什么? ( )I was shopping,a thief stole my wallet A While B Where C After D Until I was doing some shopping ______the earthquake started that afternoon.填when 还是while Linda was just going out shopping _____ the telephone rang.填while还是when,为什么