Chia động từ:

1. Bad driving ( cause) …………… many accidents.

2. Mai and Lan ( see) ………………….. a movie tonight.

3. Mozart ( wite) …………….. more than 600 pieces of music.

4. "How you ( learn) ………………….. to drive?" – " My father ( teach) …………….. me."

5. We usually ( go ) …. to the library three times a week, but last week we ( go) …….twice

6. Alexander ( introduce) ………….. the telephone in 1876.

7. Yesterday I ( be) ………busy, so I (not have) ………… time to phone you.

8. Would you like (come) …………. To dinner tomrrow?

và hãy xác định hộ mik đó là thì gì

hãy chọn đáp án đúng và giải thích đó là từ loại gì

1. John cannot make a _______ to get married to Mary or stay single until he can afford a house and a car.

a. decide b. decision c. decisive d. Decisively

2. She often drives very ________ so she rarely causes accident .

a. carefully b. careful c. caring d. Careless

3. All Sue’s friends and __________ came to her party .

a. relations b. Relatives c. relationship d. Related

4. My father studies about life and structure of plants and animals. He is a ……….

a. biology b. biologist c. biological d. biologically

5. She takes the …….. for running the household.

a. responsibility b. responsible c. responsibly d. responsiveness.

6. We are a very close-nit family and very ….. of one another.

a. supporting b. supportive c. support d. supporter

7. You are old enough to take _______ for what you have done.

a. responsible b. responsibility
c. responsibly d. irresponsible

8. He has been very interested in doing research on _______ since he was at high school.

a. biology b. biological c. biologist d. biologically

9. Although they are twins, they have almost the same appearance but they are seldom in __.

a. agree b. agreeable c. agreement d. Agreeably

10. The more _______ and positive you look, the better you will feel.

a. confide b. confident c. confidently d. Confidence

11. My parents will have celebrated 30 years of _______ by next week.

a. marry b. married c. marriageable d. marriage

12. London is home to people of many _______ cultures.

a. diverse b. diversity c. diversify d. diversification

13. Some people are concerned with physical ______ when choosing a wife or husband.

a. attractive b. attraction c.attractiveness d.attractively

14. Mrs. Pike was so angry that she made a _______ gesture at the driver.

a. rude b. rudeness c. rudely d. rudest

15. She sent me a _______ letter thanking me for my invitation.

a. polite b. politely c. politeness d. impoliteness

16. He is unhappy because of his --------------.

a. deaf b. deafen c. deafness d. Deafened

17. His country has -------------- climate.

a. continent b. continental c. continence d. Continentally

18. She has a -------------- for pink.

a. prefer b. preferential c. preferentially d. Preference

19. Computers are -------------- used in schools and universities.

a. widely b. wide c. widen d. Width

20. I sometimes do not feel -------------- when I am at a party.

a. comfort b. comfortable c. comforted d. Comfortably

help me

\(\dfrac{13}{6}-\dfrac{1}{4}=\dfrac{26}{12}-\dfrac{3}{12}=\dfrac{26-3}{12}=\dfrac{23}{12}\)

Giải các phương trình sau:

a) x − 6 = − 5 x + 9 ;             b) x + 1 = x 2 + x ;  

c) x 2 − 2 x + 4 = 2 x ;             d)  x 2 − x − 6 x − 1 = x − 2 .

ta có sơ đồ : 50% = 1/2

số thứ nhất : |----|----|----|----|

số thứ hai   : |----|

số thứ ba    : |----|----|----|----|----|----|----|----|

số thứ ba 8 phần vì số thứ nhất 1/2 số thứ ba : 4 x 2 = 8

số thứ ba là :

1950 : ( 4 + 1 + 8 ) x 8 = 1200

đáp số : 1200