She looked after my baby while I was away为什么用while,不用when?

We are looking for the nurse ( ) looked after my little sister.We are looking for the nurse. She looked after my little sister.(合并为一句） She looked after my baby while I was away为什么用while,不用when? We are looking for the nurse.She looked after my little sitter.合成一句英语 求教 转换被动语态 she looked after the chidren quite well My grandmother looked after me yesterday.(改被动句） 一道关于when和while的英语题She looked after my baby _____ I was away.从句 I was away she looked after him as well as she could与she looked after him as possible as she could 的区别 After the old lady r_____,she looked after his grandson at home. 一句英语句型she is very kind because she looked after my dog when i was on trip.保持原意___________very_______ __________her to lookafter my dog when i was on trip I've got my little brother___.A looking after B be looked after C looked after D look after选择的原因是什么呢?这里是什么搭配吗? I _________ my new dictionary for several days but have not found it yet.A.looked up B.looked forC.looked at D.looked after 完形填空after lunch aunt huang came to my home完形填空：After lunch Aunt Huang came to my home.She looked 1 .“My parents are coming”,she said,“and I have to go to the market.But my 2 is asleep.I can’t leave her by 3 .” I said,“Do She looks after my family 意思 She looks after my family 了 She looks after my family 翻译以下 My mother looked after my grandma very well.用英语解释句子 翻译：His mother looked after him as well as she could. His mother looked after him as well as she could.（译为汉语）