today is my birthday, so some of my classmates sent me presents.mother prepared a tea party for me.i invited all of them to come and take part in it.the tea party began at half past six.there were cold drinks and refreshments.we ate,talked and laughed.we felt that we were the happiest men in the world.time passed quickly.
　　in a twinkling,the clock on the wall struck nine.we could not but say'good-bye' to one another.