.

He helps his mother look ___________ his sister.

A. after                       B. into                                                C. at                            D. from

PRONUNCIATION giúp với ạ

1.         A. planet                     B. character                            C. happy                      D. classmate

2.         A. letter                      B. twelve                                C. person                    D. sentence

3.         A. enough                   B. young                                 C. country                  D. mountain

STRESS

4.         A. market                    B. around                                C. tonight                   D. concern

5.         A. organize                 B. delicious                            C. company                D. beautiful

6.         A. parcel                     B. photo                                  C. discuss                   D. surface

MULTIPLE CHOICE

7. What school activities would you like to ____ in?

            A. participate             B. take part                 C. join                         D. all are correct

8. Gas, oil, wood are the natural __________.

            A. resource                B. resources               C. foods                      D. drinks

9. We used ____ a lot of songs when we were young.

            A. learn                       B. to learn                  C. learned                   D. learnt

10. They ____ Khanh Hoi School since last year.

            A. attend                     B. have attended         C. attended                 D. were attending

11. I _____ here for 10 years.

            A. was                         B. am                          C. have been               D. will be

12. Everybody will be at home ______Christmas.

            A. in                            B. on                           C. at                            D. with

13. I received a letter ____ your aunt last week.

            A. of                            B. in                            C. from                       D. on

14. How much time did you _____ on your homework?

            A. give                        B. pass                        C. bring                       D. spend

15. We let you know as soon as we made our __________.

            A. decide                    B. decided                  C. decisive                 D. decision

16. If you want to join the library, you’ll need to fill _____ an application form.

            A. on                           B. to                            C. at                            D. out

17. Kate: ‘Can I speak to Jenny, please?’ – Jenny: ‘________’

A. No, you can’t.                                            B. Yes, I’m speaking.           

C. She’s OK.                                                  D. I’d love to

18. Peter: ‘Would you like to come over for dinner tonight?’ – Jack: ‘________’

A. Great. I’d love to.                                      B. You’re welcome.             

C. Not at all.                                                               D. Yes, please.

19. When I come home, my mother would always complain ___________ my bad marks.

A. with                        B. to                                        C. from                       D. about

20. He helps his mother look ___________ his sister.

A. after                       B. into                                     C. at                            D. from

Câu 1 Bộ truyền đai, đường kính bánh dẫn 40 cm (D1), đường kính bánh bị dẫn (D2) 10 cm. Tỷ số truyền của bộ truyền động xích là: *

1 điểm

2

3

4

5

Khi nuốt thức ăn xuống thực quản: *

Có biến đổi về mặt hóa học

Có biến đổi về mặt lí học

Có biến đổi về mặt lí học và hóa học

Không bị biến đổi về mặt lí học và hóa học

Môn vị là: *

Phần trên của dạ dày

Phần thân của dạ dày

Phần đáy của dạ dày

Van ngăn giữa dạ dày và ruột non