21.  The other classmates called this "the tea of chrysanthemum".

22.  With more and more termites were killed by this way, the class became quiet.

23.  This is the largest flood in Guangdong 500 years .

24.  This is a good omen.

25.  In this afternoon, it was very hot.

26.  This made me think of my childhood.

27.  This week I want to write the "Lei Feng" composition.

28.  The last week we handed in ten "Lei Feng" composition every term , so we write not good, but this term we handed I two, so we must write better.

29.  This week I and Liu Hui to write .

30.  This Friday and Saturday we will have the sports meeting.