必背句型
________________carnival，________ you think of crowds，costumes and confusion.
想到狂欢节，你就会想到人群、各式各样的服装和热闹非凡的场面。
________________________，however，the carnival period was extended，________________ it began just after Christmas.
然而随着时间的推移，狂欢节的时间延长了，这样一来，圣诞节一结束，它便开始了。
For weeks on end people walked round the streets ________ masks，________________ they wanted ________ being recognized.
连续几个星期人们戴着面具走街串巷，为所欲为而不会被人认出来。
Ordinary people could pretend to be rich and important，________ famous people could have romantic adventures in secret.
普通人可以装成阔佬和要人，而名人也可以偷偷地体验浪漫的奇遇。
But you ________________________________ the faces behind them look like.
但那些面具后面究竟是一张什么样的面孔，你却一无所知。