in the 19th 和in the 1980's

in the 19th 和in the 1980's in the 19th是什么意思 英译中 in the 1950s in the 19th century in the early part of the 19th century 和 at the beginning of the 19th century 的区别. in the second half of the 19th century through the air和in th air的区别 in the 16th century什么意思 in the 20th century是什么意思 Europe in the 18th century是什么意思 Realistic novel in the 18th century The camera was the one of the gerat v_____ in the 19th century the story takes place at the turn of the 19th century in the rural English The camera was the one of the gerat v_____ in the 19th century in 18th century 要不要加the变成in the 18th century The 16th Asian Games _____ in November in China look at sb in th mirror,in the local mine Falls In love th you in the together feel 初中英语in the 18th and 19th centuryin the 18th and 19th century（century要变为复数centuries吗?为什么?）