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25 tháng 1 2022

Một hợp chất khí, phân tử có 85,7% C về khối lượng, còn lại là H. Phân tử khối của hợp chất là 28. Tìm số nguyên tử của mỗi nguyên tố trong 1 phân tử hợp chất.

9 tháng 9 2021

II

6. I wasn't invited to the birthday party

7. That house was built in 1972   

 8. We has been taught French for two year by Mr.Smith   

9. The children weren't looked after properly

10. This street wasn't swept last week

 

 

1. They sold that old house last yearThat old house .................................2. In spite of the bad weather, we had a wonderful tripAlthough .................................................................3. They will build a new stadium over there A new stadium ............................................4. Unless you take these pills, you won't be betterIf .............................................................................5. Despite working hard, she can't support her large...
Đọc tiếp

1. They sold that old house last year

That old house .................................

2. In spite of the bad weather, we had a wonderful trip

Although .................................................................

3. They will build a new stadium over there 

A new stadium ............................................

4. Unless you take these pills, you won't be better

If .............................................................................

5. Despite working hard, she can't support her large family

Although ..............................................................................

6. Can you use this laptop?

You can ...........................

7. He can't remember the answer to these question

He wishes  ...............................................................

8. '' I must go to Da Lat tomorrow afternoon '' said Nhung

Nhung said ..................................................................

9. Minh spends 2 hours a day studying in a group with his friends

It takes .............................................................................................

10. They take their umbrellas because it is raining heavily 

It is ....................................................................................

11. If she doesn't work harder, she'll lose her job

Unless ....................................................................

12. We have never been here before

It is the first ..........................................

13. They have read this novel, haven't they?

Have they ......................................................

14. It was raining hard, so we had to cancel the barbecue

We had to ..........................................................................

15. It's very wonderful to spend the weekend on the beach

Spending ................................................................................

16. Mai couldn't sleep. She was tired 

Although ...........................................

17. They have just sent a fire-engine to the construction site where fire is on 

A fire-engine ........................................................................................................

18. ''Are there any flights from Nha Trang to HCM city?'' Nam said to me

Nam told me ..............................................................................................

19. It's 13 years since I last saw Mr. Cao 

I haven't ..............................................

20. '' Don't make so much noise, Phong '', said the teacher

The teacher told Phong ......................................................

21. Keeping the environment clean is very important

It's...........................................................

22. '' you should turn off the lights before going out '' Mr. Son said

Mr. Son suggested ......................................................................

23. Why don't you plant some trees in the front yard to get more fresh air?

How about .....................................................................................................?

24. The boy is very friendly. She lived next door to us

The boy .......................................................................

25. '' What is your name '' Mr. Huy asked me

Mr. Huy asked me ................................................

26. Nowadays learning English is very necessary

It is .......................................................................

27. Although her leg was broken, she managed to get out of the car

In spite of her ,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,

in spite of the ....................................................................................

28. If someone doesn't put the coal in, the fire will go out 

Unless..............................................................................

 

4
28 tháng 5 2021

1. They sold that old house last year

That old house .....was sold last year............................

2. In spite of the bad weather, we had a wonderful trip

Although ............the weather was bad, we had a wonderful trip.....................................................

3. They will build a new stadium over there 

A new stadium ..........will be built over there..................................

4. Unless you take these pills, you won't be better

If .............you don't take these pills, you won't be better................................................................

5. Despite working hard, she can't support her large family

Although .....she works hard, she can't support her large family.........................................................................

6. Can you use this laptop?

You can ......use this laptop, can't you.....................

7. He can't remember the answer to these question

He wishes  .........he could remember the answer to these question......................................................

8. '' I must go to Da Lat tomorrow afternoon '' said Nhung

Nhung said .........she had to go to Da Lat the day after afternoon.........................................................

9. Minh spends 2 hours a day studying in a group with his friends

It takes ...........Minh 2 hours a day to studying a group with his friends..................................................................................

10. They take their umbrellas because it is raining heavily 

It is .......raining heavily so they take their umbrellas.............................................................................

11. If she doesn't work harder, she'll lose her job

Unless .....she works harder, she will lose her job...............................................................

12. We have never been here before

It is the first ....time they have been here?......................................

13. They have read this novel, haven't they?

Have they ........read this novel?..............................................

14. It was raining hard, so we had to cancel the barbecue

We had to .......cancel the barbecue because it was raining hard...................................................................

15. It's very wonderful to spend the weekend on the beach

Spending ............the weekend on the beach is very wonderful....................................................................

28 tháng 5 2021

16. Mai couldn't sleep. She was tired 

Although .....Mai was tired, she couldn't sleep......................................

17. They have just sent a fire-engine to the construction site where fire is on 

A fire-engine .......has just been sent to the construction site where fire is on.................................................................................................

18. ''Are there any flights from Nha Trang to HCM city?'' Nam said to me

Nam told me .......if there were flights from Nha Trang to HCM City.......................................................................................

19. It's 13 years since I last saw Mr. Cao 

I haven't ........seen Mr Cao for 13 years......................................

20. '' Don't make so much noise, Phong '', said the teacher

The teacher told Phong .....not to make so much noise ................................................

21. Keeping the environment clean is very important

It's.....important to keep the environment clean......................................................

22. '' you should turn off the lights before going out '' Mr. Son said

Mr. Son suggested ....that I should turn off the lights before going out.................................................................

23. Why don't you plant some trees in the front yard to get more fresh air?

How about .....planting some trees in the front yard to get more fresh air ................................................................................................?

24. The boy is very friendly. She lived next door to us

The boy .........who lived next door to us is very friendly..............................................................

25. '' What is your name '' Mr. Huy asked me

Mr. Huy asked me ..what my name was..............................................

26. Nowadays learning English is very necessary

It is .........very necesssary to learning ENglish nowadays ..............................................................

27. Although her leg was broken, she managed to get out of the car

In spite of her ,,,,,,broken leg, she managed to get our of the car,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,

in spite of the ....................................................................................

28. If someone doesn't put the coal in, the fire will go out 

Unless.......someone puts the coal in, the fire will go out.......................................................................

25 tháng 4 2017

Đáp án: have built (câu chia HTHT vì có “since”)

1.     Her son (not visit) …………………her for a long time.2.     I’d like to meet a ghost, but I never (see)…… ………one.3.     They (move) ………..here in 2010. They (be) ……here for a long time.4.     They (live)……… … in that house since it (build) ……........5.     I used (smoke)…… ……..20 cigarettes a day.6.     John and I (be) …………… .  pen pals for many years.7.     Paper money (use)…… …….for over a thousand years.8.     Almost every one (enjoy)…… …….the lecture last night.9.     English (teach)………...
Đọc tiếp

1.     Her son (not visit) …………………her for a long time.

2.     I’d like to meet a ghost, but I never (see)…… ………one.

3.     They (move) ………..here in 2010. They (be) ……here for a long time.

4.     They (live)……… … in that house since it (build) ……........

5.     I used (smoke)…… ……..20 cigarettes a day.

6.     John and I (be) …………… .  pen pals for many years.

7.     Paper money (use)…… …….for over a thousand years.

8.     Almost every one (enjoy)…… …….the lecture last night.

9.     English (teach)……… ……in the schools of almost every nation.

10.            That old rest house (build)…… ……..in the year 1882.

11.            Her bike (fix)……… ……. at the moment.

12.            This book must (return)…… ……………to the library tomorrow.

13.            Many trees (cut) …………… down for supply of wood recently.

14.            The name of the new town (choose)………. by the committee tomorrow.

Many books (write) ………………..about the Second World War

0
15 tháng 3 2022

have built

15 tháng 3 2022

have built

11 tháng 5 2022

1 . They will build that house next month →That house__will be built next month______

2. She said " I am going to ??? next month →She said__that she was going to ??? the next month____

3. She will visit her grandma tomorrow →Her grandma___will be visited by her tomorrow_____

4. It is contest in which participants have to make a five →It is a___fire-making contest______

5. They clean the room every day → The room___is cleaned every day_____

6. Someone will translate this letter into Vietnamese →This letter____will be translated into Vietnamese________

7. Susan said " My sister is coming to see me next week → Susan said___that her sister was coming to see her the next week________

8. It is a contest which people speak French → It is a___French-speaking contest__________

9. He has reported the essays with pleasure → The essays___have been reported by him with pleasure___

10. They perform songs for people in town → Songs___are performed for people in town______

30 tháng 11 2021

Dịch: 

2. Một kiến trúc sư người Pháp đã thiết kế cung điện.
3. Họ đã lát đường trước nhà tôi.
4. Bạn có thể thấy rằng họ chưa rửa bát.
5. Họ sẽ không tăng lương cho chúng tôi trong năm nay.
6. Không phải họ đã xây nhà hát đó hai năm trước sao?
7. Họ có thể thảo luận lại vấn đề.
8. Họ đã mời anh trai tôi một công việc được trả lương cao.
9. Người ta báo cáo rằng chiến tranh lại bắt đầu ở Nam Mỹ.
10. Anh ấy nói với tôi rằng đội bóng của anh ấy đã chơi tốt ở mùa giải trước.

24 tháng 11 2019

they have built that house since 2000

24 tháng 11 2019

They have built that house since 2000.

9 tháng 7 2021

1 are building

2 drew

9 tháng 7 2021

1 are building 2 drew

7 tháng 2 2022

A. risk