it's siad that in the 3rd century a chinese man wrote about how to make itin the 3rd century 后面怎能不加逗号？
问题描述：
it's siad that in the 3rd century a chinese man wrote about how to make it
in the 3rd century 后面怎能不加逗号？
答
可以加
你不想加也可以把in the 3rd century拉到句子最后。
答
不加，加的话就把 in the 3rd century 移到句子最后
答
in the 3rd century 在本句中作时间状语.在英语中,时间状语的位置是最灵活的,可出现在句首、句中或句尾.区别就是,在句首时往往用逗号隔开,其余则不用.以 at last 为例：At last,he finished the work.(句首)He at la...