1.Trình bày cấu tạo ngoài của ếch đồng thích nghi với đời sống?
2.Cấu tạo ngoài của thằng lằn lông đuôi dài?
3.Cấu tạo ngoài của chim bồ câu thích nghi với đời sống?
4.Phân biệt bộ thứ huyệt và bộ thú có túi?
5.Cấu tạo, đời sống của 1 số đại diện bộ guốc chẳn?
6.Cấu tạo ngoài và tập tính của bộ dơi và bộ cá voi?
7.Đặc điểm chung của lớp thú (cấu tạo ngoài) chúng ta phải làm gì để bảo vệ thú? 8.Dựa vào bộ năng phân biệt 3 loại thú: Ăn thịt, ăn sâu bọ và gặm nhấm?

 Choose the word which has the underlined part pronounced differently from the others.

1.             A. celebrate                          B. lazy                                   C. vacation                           D. mechanic

2.             A. typical                              B. quite                                  C. shift                                   D. pig

3.             A. public                                B. summer                            C. during                               D. buffalo

4.             A. hard                                  B. farm                                  C. start                                   D. care

5.             A. mechanic                         B. chicken                             C. each                                  D. lunch

 Choose the best word or phrase to complete the sentences.

6. Hoa’s ____ starts in June.             A. Tet holiday                      B. Christmas                        C. vacation           D. summer vacation

7. Tim doesn’t have a Tet holiday, but Ba___                              A. is                                        B. does  C. do      D. are

8. King Hung’s Day is a ___ day in Vietnam.                               A. common     B. weekend       C. public         D. private

9. In the afternoon, the chickens produce ___eggs than in the morning.                                  A. few    B. fewer     C. little              D. less

10. When we have more cows, we’ll have ____ milk.      A. more                                            B. much                 C. many                D. lots of

11. Class _______ at 8:30 and _______ at 3:30 or 4:00 every week.

               A. start/ends                         B. starts / ends                      C. ends / starts                      D. starts / end

12.  He looks different ______ his father.                                     A. at                                        B. with   C. from  D. of

13.  Ba is _______ to music at the moment.                                  A. listening   B. listened       C. to listen           D. listens

14.  In_______, we study the world events.      A. English            B.  History                         C. Computer Science D. Math

15. Hoa will see her parents ______their farm.                             A. on                                      B. at       C. in       D. for

16. Hoa will see her friends ______at the airport.                        A. on                                      B. in        C. at       D. off

17. Hoa likes to help her parents ______ the farm work.            A. for                                     B. with   C. of       D. to

18. Farmers have to work ______ all day and night long.       A. hard                                     B. hardly   C. harder            D. hardest

19. Hoa’s friend is very interested ___writing letters.                  A. to                                       B. of       C. in       D. at

20. The ______ vacation is in summer    A. long                          B. longer                               C. longest              D. most long

I am repairing my bike ..........
she was washing the  dishes at this time yesterday.............
my mother was cooking our dinner ................................
the child is watering the flowers...................
we aren't painting our house now .....................
My mother is making a cake in the kitchen..........
his brother is repairing my bike...................
the students were writing their essays.............................
she is tying a report............
we are trabslating anarticle into english....................

Mr john didn't sell his car last week
Her boyfriend didn't meet her in the aiport yesterday
I don't see her in the park
My grandmother didn't make a big cake on her birtday
My brother didn't buy this novel 
I don't forget this storyMary didn't clean her room last week 
My brother doen't repair the bike

mery dosen't to her homework everynight
they don't water the flowers in the aftenoon