请问什么时候用in ancient time,什么时候用in ancient times?

请问什么时候用in ancient time,什么时候用in ancient times? in ancient time in the ancient time?请问是in ancient time 还是in the ancient time? in ancient in ancient 英语翻译汉语意思是：古代中国与古代欧洲绘画中的技术,请问：Technologies in Paintings Between Ancient China and Ancient Europe还是Technologies in Paintings of Ancient China and Europe注意本人疑问有两点,1、用of in east of和in the east of请问什么时候用in east of,什么时候用in the east of in ancient times 如题~ 关于GTX560 TI.请问GTX560 TI, 请问,with of on under in ,在什么时候用,什么时候加ing? ancient in ancient times近义词 同下用英语解释这个句子In ancient times,people used shells as money.其实就是把In ancient times换个词语.请大虾帮帮偶~~~~very thanks In ancient china people b____ in dragons in ancient times=longlongago=once uponatime In ancient times,people used stones as money.(句子解释)还有14题 用英语解释 英语-请问street前的介词是in?on?at?或者什么时候是in 什么时候用on? in which 什么时候用 in on 什么时候用 Jasper White is one of those people who believe in ancient myths.请问这是一个什么从句? What’s the difference between ancient and modern architecture in China?【用英文 】