lt was the last lesson before te holiays students were very happy.the teacher played nice gammes with them.he wrote"smILes"on the board
这是放假前的最后一堂课,学生们非常高兴,老师和他们玩了很好的游戏,在黑板上写下"smILes"（微笑）

这是英语中最长的单词之一 It is one of the longest words in Engish.

老师沉默了一会儿 The teacher kept silence for a while

because there is a mile between the first letter and the last 因为在第一个字母和最后一个字母之间有个 mile (英里）