1.work hard
2.hard work
3.write to the teacher
4.do one's best
5.apprieciate animals
6.important information
7.necessary subjects
8.learn with the letter
9.care for animals
10.learn a lot
11.teacher of geography
12.attend the class-meeting
13.the first class
14.my best friend
15.wish you happy
16.go to Beijing in Febrary
17.go to the Great Wall in May
18.scientific books
19.indoor activities
20.learn maths hard
21.discuss the family
22.between the men and the women
23.near the school
24.easy or difficult
25.early or late
26.receive a lette