21.  For some reason the bus didn't come until ten o'clock.

22.  When a weekend comes .

23.  That morning two n come for the papers.

24.  At last two policemen came to the professor's house, they were worried, they told him the true story, The professor asked them not to worry about his invention.

25.  The Chinese New Year-- the Spring Festival will come .

26.  Now, I hope very much that I can see them again.I still remember that day which I first came to school.

27.  When I came into class and sat down, my Chinese teacher introduced me to all the pupils who were in my class, then they looked at me, I was so afraid, I thought they must be laughing at me .

28.  The next summer holidays is about to come.

29.  "what's the matter, girl?" just then came a voice, "can I help you ?" with m3,-] these words he got off his bick and came up to me."

30.  I looked at his way for a long time, tears coming into my eyes.