the romans made some good bridges of stones and many of thes

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/06/06 10:08:14

the romans made some good bridges of stones and many of these are still standing today,sometimes,
since,no one could build a bridge across a river中since是什么意思?

至今,从那时以来
再问：那么sometimes是干什么的？
再答： sometimes也有在过去的一段时间内的意思，在这里做的应该是插入语
再问：谢谢！那么，为什么这里要突然加入sometimes？好像与后部分没关系啊
再答：恩，用一段时间，来解释还可以符合题意，没大关系吧，恩。

The pyramids are made of h---- stones the bridges of madison The Great Wall was made of stones and bricks.There are huge the pyramids are made of huge stones that are pi The Great Pyramid is made up of two million stones the bridge is stones A.made of B.from The snowman's eyes are made of black stones.对black stones提问 most of the bridges over the river are made of ___. 英语翻译Some companies have made the manufacturing of clean and across the opening of the cave they made a wall of stones fo The precious parcel was full of stones and sand中 full of OF指 The stones they carried were used houses and bridges. A.to b