there was a time 后面加when还是while

there was a time 后面加when还是while There was a time后面用that还是when? There was a time when when后面的句子做什么成分? there was a time whentime 前面为什么可以加一个a 它不是不可数名词么 there was time ...后面是用when or that there is/was a time when后分别加什么时态 there was a time when的用法 there was/be a time +定语从句 这句话后面的DID是什么作用呢,为什么WAS不是用原形?because there was a time when all I did was wish there was a time when能否写成 once there was a time when people后面加were还是was?还有,,The food there _____awful.（加were还是was） there was a farmer a long time ago 否定句 Once upon a time,there was a pretty ,fresh a long time ago,there was a queen.翻译 there was a time Mathilde had a hard life改错 it was with his help that we accomplished this task in such a short period of time.was后面为什么加with 一道英语选择解析we think _________to get every thing ready in time.请务必附上解析.we think _________to get every thing ready in time.A.no possibility B.there was impossibility C.impossible D.it impossible 问：we think 后面可以加 Once upon a time,there was an emperor...