改错：When he worked as a journalist, he visited many countries. 为什么when改成while?While he went to Hong Kong, he sang with Jackie Chan. 为什么把While改成when?

改错：When he worked as a journalist, he visited many countries. 为什么when改成while?While he went to Hong Kong, he sang with Jackie Chan. 为什么把While改成when? 英语翻译2 翻译Hard as he worked When Mr.Wang return ___ China from America,he worked in Beijing as a teacher.(填介词） 英语句子改错He has worked on this farm for two years when he was a young man .请问哪...英语句子改错He has worked on this farm for two years when he was a young man .请问哪里错了,怎么改,为什么? Jackson has worked in the bank＿＿he left school. A.when B.since C.as soon as D.whether when she worked as a graceful model in London After g( ),he worked as a clerk in a company He worked as a doctor at first.是什么意思 When Einstein was a child ,he liked [ ] how things worked. ( )he was in poor health ,he worked just as hard as everyone else 改错：He doesn't look as carefully as she does. 改错 I think he listen as careful as you. He looked at me in surprised as if he knew nothing about thatWhen and where these photo were taken两个改错When and where these photos were taken _______ at his paper over the weekend,Neil didn’t finish it.A.As he worked hardB.Hard as he worked C.How he worked hard D.How hard he worked 改错：He got shock when he heard the bad news. There he listened to the tales that the women told as they worked at their weaving.句中的as,可否换成when或其它?可换及不可换的原因? 改错1.The children play on the grass happyly 2.He worked with me friendly He said that his son worked there happy every day.A.saidB.workedC.happy改错