what time of year did ken visit parisa 这个at放在最前面是起什么作用

What's the best time of year to visit 请问AT WHAT TIME OF THE YEAR WAS THIS WRITTEN?可否写成 WHAT TIME WAS THIS WRITTEN AT OF THE YEAR?有什么别的排列顺序吗? at what time of the year was the the passage written这啥意思啊? what time of year问的是什么季节还是什么月份 What may Zhang Tao like to do at this time of the year? At what time of year did Ken wisit Paris?是什么句型 nice weather for the time of year at a bad time of year What time of year do you think this picture was taken?请问这句语法该怎么分析?What ,time,of ,year,分别都做什么成分呢?do助词 you主语 think谓语 this picture was taken宾语从句, at what time of year did ken visit Paris?不理解at what time of year 是指一年中的某一个季节还是某个时刻.回答是不是可以 at 7. what __ lovely weather we're having for __ time of year!为什么第一个空不填a? what time of year did ken visit parisa 这个at放在最前面是起什么作用 You know what it's like this time of the year.We're up to our eyes in it. 请问 At what time of year did Ken visit paris?这里去掉at 意思一样吗 请老师指教------ 请问this time of year和this time of the year有什么区别啊? at this time of year与 at this time of the year哪个对? this time of year意思?Canada will still be cold this time of year What will happen in ten year' (year)time这道题的理由,也就是为什么用year'