In ancient times people used to build their houses with materials ___.A.convenient B.important C.available D.natural 选择哪个

in ancient times 如题~ 请问什么时候用in ancient time,什么时候用in ancient times? Sun wenhao .I loved your entire life in ancient times, In ancient times,pigeons were used to d urgent messages Dinosaurs existed in the world millions of years ago.( )( )dinosaurs in the world in ancient times. 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 in ancient 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 In ancient times,people wrote numbers in many different ways. 同义句 ancient times里的times是什么意思? 选择:in ancient times people used shells or salt to __ goods.communicateexchangebuysell In ancient times people used to build their houses with materials (available in ancient times 有什么填空题,拜托很急啊!谢谢啦! 古代是ancient time 还是ancient times,有没有sRT In ancient times,people wrote number()many different ways为什么不用with啊?而是用in呢? In ancient times,people used to trade copper__corn A,in B.with C.for D.to翻译句子并解释 在古代,人们怎麼看时间呢?How did people —— —— ——in ancient times?