at the time后面能接when吗?为什么?它不是和each time等一样后面可以直接引导一个时间状语吗?

at the time后面能接when吗?为什么?它不是和each time等一样后面可以直接引导一个时间状语吗? at the time when/that since作“自从”时,后面能跟过去完成时吗?Did Mike have a good time at the party?Yes.He said that it was years ____he had enjoyed himself so much.A.after B.since C.before D.when答案好象是B,但since不是后面都跟过去时吗?或 a time后面的when引导的是什么状语从句吗he made people laugh at a time when they felt depressed. drive后面能接at吗 They fall in love with each other at the first time,They的后面要不要接be动词吗? meanwhile和at the same time 可以像when 一样放在句中用吗它们和when 有什么区别简单问一句,meanwhile 能引导时间状语从句吗 1____ hearing the good news,they jumped with joy.A For B In C Upon D At 为什么A不可以 可不可以理解为 at the time when hearing the news ,at后面的the time when 省略?A for是不能放在句首的把?2.all but one （are）present and a at the time能不能引导时间状语从句____she looked up,the strange man had disappeared.A at the time B at the time when It's the first time ,for the first time ,the first time ,at first 区别?哪个后面加过去时态 I was d* at the opportunity to spend some time in the country.d后面接什么 this a time when ..句型后面接什么时态? what is the time?when is the time?这两个句子都对吗?先前以为when当疑问词的时候后面接句子.我先前以为what后面接名词,when后面接句子.可是当我查字典when以后.我彻底脑袋粥样硬化了.字典例句：when at the age of 与by the time of 与at that time后面分别加什么时态? by the time和when 能互换吗不是都有 当那时 的意思吗 The Students leave school at 5p.m.(对划线部分提问） ______ what后面要加time吗 The time when I arrived was late at night.关系副词when 可以改成 at which么? the 后面能接复数名词吗?