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13 tháng 1 2022

I. Nội qui tham gia "Giúp tôi giải toán"

1. Không đưa câu hỏi linh tinh lên diễn đàn, chỉ đưa các bài mà mình không giải được hoặc các câu hỏi hay lên diễn đàn;

2. Không trả lời linh tinh, không phù hợp với nội dung câu hỏi trên diễn đàn.

3. Không "Đúng" vào các câu trả lời linh tinh nhằm gian lận điểm hỏi đáp.

Các bạn vi phạm 3 điều trên sẽ bị giáo viên của Online Math trừ hết điểm hỏi đáp, có thể bị khóa tài khoản hoặc bị cấm vĩnh viễn không đăng nhập vào trang web.

II. Cách nhận biết câu trả lời đúng

Trên diễn đàn có thể có rất nhiều bạn tham gia giải toán. Vậy câu trả lời nào là đúng và tin cậy được? Các bạn có thể nhận biết các câu trả lời đúng thông qua 6 cách sau đây:

1. Lời giải rõ ràng, hợp lý (vì nghĩ ra lời giải có thể khó nhưng rất dễ để nhận biết một lời giải có là hợp lý hay không. Chúng ta sẽ học được nhiều bài học từ các lời giải hay và hợp lý, kể cả các lời giải đó không đúng.)

2. Lời giải từ các giáo viên của Online Math có thể tin cậy được (chú ý: dấu hiệu để nhận biết Giáo viên của Online Math là các thành viên có gắn chứ "Quản lý" ở ngay sau tên thành viên.)

3. Lời giải có số bạn chọn "Đúng" càng nhiều thì càng tin cậy.

4. Người trả lời có điểm hỏi đáp càng cao thì độ tin cậy của lời giải sẽ càng cao.

5. Các bài có dòng chữ "Câu trả lời này đã được Online Math chọn" là các lời giải tin cậy được (vì đã được duyệt bởi các giáo viên của Online Math.)

6. Các lời giải do chính người đặt câu hỏi chọn cũng là các câu trả lời có thể tin cậy được.

III. Thưởng VIP cho các thành viên tích cực

Online Math hiện có 2 loại giải thưởng cho các bạn có điểm hỏi đáp cao: Giải thưởng chiếc áo in hình logo của Online Math cho 5 bạn có điểm hỏi đáp cao nhất trong tháng và giải thưởng  thẻ cào 50.000đ hoặc 2 tháng VIP cho 6 bạn có điểm hỏi đáp cao nhất trong tuần. Thông tin về các bạn được thưởng tiền được cập nhật thường xuyên tại đây.

8 tháng 4 2021

1. take

2. will have left

3. visit

4. have had

5.saw

6. to travel

7. had become

8 tháng 4 2021

1 take

2 had left

3 visit

4 have had

5 saw

6 to travel

7 had become

22 tháng 3 2021

- What is this learning technique?

=> That technique is use flashcards to memorize
- Do you often learn this way?

=> Sure, I usually learn by flashcard
- Is it effective with you or not?

=> It is so effective for me
- Do you have any other ways to learn English new words?

=> I can learn new words by some steps such as music, by game,...

19 tháng 12 2021

Learning vocabulary using index cards/flashcards.

 

10 tháng 7 2017

VIII. Em hãy một câu đúng trong 3 câu đã cho.

Ví dụ: a. What should we do this evening? b. What we should do this evening? c. What should we doing this evening?

Câu đúng: a. What should we do this evening?

1.

a. Would you like having lunch with me?

b. Would you like to have lunch with me?

c. Would you like to having lunch with me?

2.

a. We’re going study in the library together.

b. We will going to study in the library together.

c. We’re going to study in the library together.

3.

a. What does Trang play usually in the afternoon?

b. What does Trang usually play in the afternoon?

c. What usually does Trang play in the afternoon?

4.

a. Let’s stay at home and watch TV.

b. Let’s to stay at home and watch TV.

c. Let’s staying at home and watch TV.

5.

a. How usually do you go swimming?

b. What often do you go swimming?

c. How often do you go swimming?

10 tháng 7 2017

VIII. Em hãy một câu đúng trong 3 câu đã cho.

1. a. Would you like having lunch with me?

b. Would you like to have lunch with me?

c. Would you like to having lunch with me?

2. a. We’re going study in the library together.

b. We will going to study in the library together.

c. We’re going to study in the library together.

3. a. What does Trang play usually in the afternoon?

b. What does Trang usually play in the afternoon?

c. What usually does Trang play in the afternoon?

4. a. Let’s stay at home and watch TV.

b. Let’s to stay at home and watch TV.

c. Let’s staying at home and watch TV.

5. a. How usually do you go swimming?

b. What often do you go swimming?

c. How often do you go swimming?

23 tháng 7 2018

I : Đổi sang câu bị động

1, My wife cleaned the floor and washed the dishes yesterday

the floor was cleaned and the dishes were washed by my wife yesterday

2, He opens the door and closes the door every day

the door is opened and closed everyday

3, I got my husband to repair my bicycle

my bicycle was repaired by my husband

4, I let mu children go out

my children were let to go out

5, Don't open your book

your book mustn't be opened

6, will you finish her exam

will her exam be finished?

8, Did you change your password?

was your password changed?

9, Have you finished the report ?

has the report been finished?

10, why did my student visit her granny last week?

why was my student's granny visited last week?

II. Đổi sang câu chủ động

1, This pencil is used to draw by NiNa

Nina used this pencil to draw

2, This book was bought at this shop by my sister yesterday

my sister bought this book at this shop yesterday

3, My house had been painted before I travelled

somebody had painted my house before I traveled

4, By whom was this house painted

who painted this house?

5, will the ruler be bought by my mother tomorrow?

will my mother buy the ruler tomorrow?

6, This pizza was given to you bt my sister

my sister gave you this pizza

8, I was let to go out

they let me go out

9, The pictures have been finished by NiNa

Nina has finished the pictures

10, were these houses sold by my father?

did my father sell these house?

22 tháng 5 2018

1 : Do your parents go to work by car ? -> Do your parents drive a car to go to work ?

2: LEt 's walk to Thu Le zoo this afternoon ? -> Why don't we want to walk to Thu Le zoo ?

3: Do you watching TV ? -> Are you intersted in watching TV ?

4:My house has a living - room , two bedrooms and a kitchen . -> There are have two bedrooms , a living - room and a kitchen in my house

tk cho mk nha

22 tháng 5 2018

1do your parents drive to work?

2why don't we walk to thu le zoo this evening?

4there is a livingroom,two bedrooms and a kitchen in my house

3do you intersed in watching tv

22 tháng 10 2016

1. something -> anything

2. I didn't do nothing -> I did nothing

3. somewhere -> nowhere

4. few -> little

5. some -> any.

chúc bạn học tốthaha

2 tháng 4 2022

Underline and correct the mistake in the sentences

 

1.They did not let me to go.           - go

2.When John is four, he came to London with his parents.  -  was

3.How long have you living here?   - lived

4.They are going to school by foot.    - on

5.Do you mind if i smoke in the room?  - I

6.His garden is not as large than mine.   - as

7.We have not talked to your sister since a long time.   - for

8.There are much than eighty stores in the mall.   - more

9.The toys keeping in the box are worth 30 dollars.   - kept

10.This school is different of mine.   - from

27 tháng 9 2022

caua 5

skoking>smoke

29 tháng 6 2019

Dear Laura,

This is just a quick letter (1) ... if you could do me a small (2) ....

Do you remember that computer game about explorers that we played at Annie's house last month? I'd like to buy it (3) ... my brother, but I've forgotten the title. If you can (4) ..., could you let me (5) what it's called and who it's made (6) ...? If not, could you let me have Annie's ...?

Hope things are Ok... your new school. Let me know how you're getting on. I'll stop now and get this in the post, but I'll write again soon.

Love,

Pam

1) a. ask b. to ask c. asking d. to asking

2) a. favor b. hobby c. pastime d. habit

3) a. to b. for c. of d. with

4) a. forget b. forgot c. remember d. remembered

5) a. know b. to know c. knowing d. to knowing

6) a. with b. by c. of d. from

7) a. number b. numbers c. house d. houses

8) a. in b. at c. on d. Rỗng

26. The...........can’t fix the washing machine until tomorrow A. postman B. walkman C. repairman D. chairman 27. Each year,............destroys homes and injures children A. fire B. match C. kitchen D. soft drink 28. The children are old enough to look after.............. A. themselves B. ourselves C. herself D. for themselves 29. What was wrong with you ? Why..................go to the hospital ? A. had you to B. did you have to C. must you D. did you must 30....
Đọc tiếp

26. The...........cant fix the washing machine until tomorrow

A. postman B. walkman C. repairman D. chairman

27. Each year,............destroys homes and injures children

A. fire B. match C. kitchen D. soft drink

28. The children are old enough to look after..............

A. themselves B. ourselves C. herself D. for themselves

29. What was wrong with you ? Why..................go to the hospital ?

A. had you to B. did you have to C. must you D. did you must

30. Students...............their homework after class.

A. have to doing B. have do C. have to do D. have to be done

31. Did you succeed..............the problem ?

A. to solve B. on solving C. in solving D. solving

32. Lets ..............the couch opposite the armchair in the living room

A. to putting B. putting C. to put D. put

33. A. Did they themselves do this job yesterday ?

B. Did they themselves this job yesterday ?

C. Did they do themselves done this job yesterday ?

D. Have they done themselves this job yesterday ?

34. No one helped Lan to draw the picture. He did it...............

A. by him B. by himself C. lonely D. all lonely

35. She worked hard..............she could pass the final exams

A. so that B. in order to C. as result D. so as to

Question VI: Choose one suitable preposition to complete each following sentence

36. There is a bus station...............the end of the road

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

37. I lost my key somewhere..............the car and the house

A. above B. between C. among D. under

38. Dont shelter..........the trees when it is raining

A. on B. to C. under D. in

39. Keep those medicines................the childrens reach

A. out off B. in of C. on of D. out of

40. The boat sank...............the waves

A. under B. beneath C. on D. above

2
4 tháng 1 2018

26. The...........can’t fix the washing machine until tomorrow

A. postman B. walkman C. repairman D. chairman

27. Each year,............destroys homes and injures children

A. fire B. match C. kitchen D. soft drink

28. The children are old enough to look after..............

A. themselves B. ourselves C. herself D. for themselves

29. What was wrong with you ? Why..................go to the hospital ?

A. had you to B. did you have to C. must you D. did you must

30. Students...............their homework after class.

A. have to doing B. have do C. have to do D. have to be done

31. Did you succeed..............the problem ?

A. to solve B. on solving C. in solving D. solving

32. Let’s ..............the couch opposite the armchair in the living room

A. to putting B. putting C. to put D. put

33. A. Did they themselves do this job yesterday ?

B. Did they themselves this job yesterday ?

C. Did they do themselves done this job yesterday ?

D. Have they done themselves this job yesterday ?

34. No one helped Lan to draw the picture. He did it...............

A. by him B. by himself C. lonely D. all lonely

35. She worked hard..............she could pass the final exams

A. so that B. in order to C. as result D. so as to

Question VI: Choose one suitable preposition to complete each following sentence

36. There is a bus station...............the end of the road

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

37. I lost my key somewhere..............the car and the house

A. above B. between C. among D. under

38. Don’t shelter..........the trees when it is raining

A. on B. to C. under D. in

39. Keep those medicines................the children’s reach

A. out off B. in of C. on of D. out of

40. The boat sank...............the waves

A. under B. beneath C. on D. above

4 tháng 1 2018

26. The...........cant fix the washing machine until tomorrow

A. postman B. walkman C. repairman D. chairman

27. Each year,............destroys homes and injures children

A. fire B. match C. kitchen D. soft drink

28. The children are old enough to look after..............

A. themselves B. ourselves C. herself D. for themselves

29. What was wrong with you ? Why..................go to the hospital ?

A. had you to B. did you have to C. must you D. did you must

30. Students...............their homework after class.

A. have to doing B. have do C. have to do D. have to be done

31. Did you succeed..............the problem ?

A. to solve B. on solving C. in solving D. solving

32. Lets ..............the couch opposite the armchair in the living room

A. to putting B. putting C. to put D. put

33. A. Did they themselves do this job yesterday ?

B. Did they themselves this job yesterday ?

C. Did they do themselves done this job yesterday ?

D. Have they done themselves this job yesterday ?

34. No one helped Lan to draw the picture. He did it...............

A. by him B. by himself C. lonely D. all lonely

35. She worked hard..............she could pass the final exams

A. so that B. in order to C. as result D. so as to

Question VI: Choose one suitable preposition to complete each following sentence

36. There is a bus station...............the end of the road

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

37. I lost my key somewhere..............the car and the house

A. above B. between C. among D. under

38. Dont shelter..........the trees when it is raining

A. on B. to C. under D. in

39. Keep those medicines................the childrens reach

A. out off B. in of C. on of D. out of

40. The boat sank...............the waves

A. under B. beneath C. on D. above