Tsinghua University, ______ in 1911, is home to a great number of outstanding figures.

把下列句子组成语意连贯的语段，排序最恰当的一项是 （ ）①使用语言，不仅要用得对，在语法上不出毛病，而且要力求用得好，要有艺术性，有感染力，这就要讲究运用语言的艺术，也就是要讲究一点修辞。②有意用不符合语法常规的办法取得某种修辞效果是许可的，然而这只是偶一为之，并且要有些特定的条件。③如果语言不符合语法，说都说不通，就没有什么好的修辞可言。④语言是用来传递信息、交流思想、表达情感的。⑤好的修辞，必然是符合语法规律的。

Teaching as a career ________ to many people because of the long holidays.[ ]

– How did Mary react to the bad news?– Oh, she was filled with sorrow and ______ a sigh.

The professor ______ sit in his study for hours when he worked on the new project.