21.  This two question, I don't understand.

22.  I write this letter to you in order to ask you two questions.

23.  This week, it's our turn to sweep the school , On Monday, we went to school at 6:45, the sky was too black, and the street had nobody, we started working , the ground had many leaves , It took times for us to carry he eaves .

24.  It often rained this week, it said: the spring is coming.

25.  Look, the trees come up in our school, the leaves are getting green , the birds fly to this tree, then fly to that tree, they are singing happly .

26.  This week our class have an "Lei Yu" wind , because we are studing the "LeiYu".

27.  When in these days we often talk about this question, some people have bought he "Lei Yu" book, and read it.

28.  Five subjects will be examined at the end of this term.To me, it as if very long, because I have no oppress feeling.

29.  But Wu Dong refuse it and said: "This what I should."

30.  When I had learnt the Lesson One and Lesson Two, I had a text for it this week.