Cho đường tròn (O) hai dây AB và CD bằng nhau, tia BA và CD cắt nhau tại M nằm ngoài đường tròn

Cm: a, OM là tia phân giác của góc AMC

b, MA=MC,MB=MD,AD=BC

c, H,I,J,K lần lượt là chân các đường vuông góc kẻ từ O đến các dây AB,DC,AD,CD, cmr:H,I,J,K thẳng hàng

Các bạn giải giúp mình mai mình nộp

Chọn đáp án đúng

1. Your car is different....mine

To,in,from, for

2. I found history very..... .

Amusing, amused, amuse,to amuse

3. Her.....include swimming and reading

Interests,interesting, interested, interest

4. Great Opera......of the world can be heard at the Sydney Opera House

Sing,singings,singers,to sing

5. E is the ......language on one-fifth of the land area of the world

Office, official, officer,officially

6. E tends towards...

Simple, simplicity, simplier ,simply

7. He looks...today than yesterday

Good,well,better goodly

8. There is a....difference between the north and the south

Region, regional, regionally, regioner

9. He went to a seaside resort because he was keen on....

Windsurf, windsurfing, to windsurf, to windsurfing

10. The teacher told the boys to stop...

To make,played, playing, being played

11. Mark Twain is a famous...

America writer,American playwright, E writer, E playwright

15. Who...the bicycle?

Invents,was invented, invented, did involved

16. I like your car. How long...it?

Have you had,did you have,you have had,do you have

17. He couldn't stand...for her so long

Yo wait, waiting, wait, waited

18. It's not worth...a tax home

Talking, to take,take,took

19. Are you interested in...football

Play,to play, playing, played

20." Don't...in class" said the teacher

Speak ,talk,tell,say

Chọn đáp án đúng

78. Uncle Ho was born....Kim Lien village

In,at,from, on

79. That man can tell us where.....

Does John live, is John living, John lives,John living

80. When I saw him,he...a black suit

Wore ,was wearing, wearing, wears

Cho 2 tam giác vuông ABC và ABD có chung cạnh huyền AB ( C và D nằm trên cùng một nửa mặt phẳng có bờ là đường thẳng AB)

Cm:1, A,B,C,D cùng thuộc 1đường tròn ( gọi tâm của đường tròn là O)

2, CD<AB

3, Giả sử AB cắt CD tại M. Cm: MO =1/2(MA+MB)

Các bạn giải hộ mình với mình đang cần gấp

The floor in the room was so dirty as if it....for days

Hadn't swept ,hadn't been swept,haven't been swept , wouldn't have swept

Chọn đáp án đúng

21. It was ........an interesting book that he couldn't put it down

Very,enough, such,so

Cho đường tròn tâm O đường kính AB. Trên đoạn thđoạ AB lấy 2 điểm C và D sao cho OC = OD. Từ C và D kẻ 2tia song song cắt nửa đường tròn tại E và F

Cm: EF vuông góc với CE và DF

Thì hiện tại hoàn thành và quá khứ đơn

1.A: I ( cycle/just)........ 50km

2. B:I( cycle)....... 100 km last week

3. A:I (write)........an essat yesterday

4. B:I (write / already).......two essays this term

5.A: I ( ring/ just)......my friend

6. B:I (ring).....my friend 10 minutes ago

7. A:Two days ago, I(watch)......a Madonna concert on tv

8. B:I (see/already)..... Madonna live in concert

9. A:I (spend)....my summer holiday in Austrakia last year

10. B:I ( be/ not)....to Australia yet

11.Mother:I want to prepare dinner. (you/wash)........the dishes yet?

12.Daughter: I (wash)......the dishes yesterday, but I(have/not)

13.Mother(you/do/already)....your homework?

14. Daughter: No, I(come/just).... home frim school

15. Mother:You(come)...... home from school two hours ago!

Câu bị động

1. The boys broke the windows yesterday

2. Someone stole Nam's wallet

3. John eats this cake

4. A tiger kills a deer

5. He learns E at school

6. She bought a new hat last night

7. Noone believes his story

8. They worte the book many year month

9. Peter reports the news every day

10. My father waters this flower every morning

11. They moved the fridge every morning

12. My son finds the new project worthless

13. He started this work last month

14. They finished the kitchen's building on Saturday

15. We pointed a new marketing manager

16. People spead a lot of money on advertising every day

17. She showed her ticket to the airline agent

18. He hides the broken cup in the drawer

19. People speak E all over the word

20. Thomas Ericsson invented the phonograph in 1877

21. Children don't clean their bedroom every day

22. Mary eats a lot of bread every morning