__________________in the early 20th century ,the school keep

__________________in the early 20th century ,the school keep 英语（）in the early 20th century ,the school keeps on keeps on 英语翻译Early in the sixteenth century,Francis Bacon proposed th He spent much of the early 20th century looking for ways to The early 20s of this century, in the early nineteenth century. in the early part of the 19th century 和 at the beginning of in the 20th century是什么意思 In the 20th century ,Chinese high school students would show 英语翻译During the early 19th century,the opulent desingns that untill the early years of the 19th century did man know what 第28题 (2.0) 分 Not until the early years of the 19th century（）