He spent much of the early 20th century looking for ways to

He spent much of the early 20th century looking for ways to 帮忙翻译成汉语,谢谢For much of the 20th century , most people believe The early 20s of this century, __________________in the early 20th century ,the school keep while he was looking for ways to improve the reflecting tele The population of the world in 20th century became very much in the early part of the 19th century 和 at the beginning of 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（） [-B32] It was not until the early years of the 19th century 英语翻译Early in the 16th century men were trying to reach Asia 英语翻译at the last year of 20th century,let us lift our eyes to