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10 tháng 5 2021

Nothing about his background is known, is it?

12 tháng 5 2019

Mary started to write the report one hour ago

->the report has been written by Mary one hour ago

Henry wishes he had invited Jane to his birthday party

->Henry regretted not inviting Jane to his birthday party

No one knows anything about his background, do they?

-> nothing is known about his background,is it ?

unfortunately, he was (succeed) not successful in the final test

She always listens (attend) attentively to what she is told

29 tháng 10 2021

Nothing could be done to put off the fire

10 tháng 8 2017

1,no one is better cook than his mother,.........?

A.is she B.isn't she C.are they D.aren't they

2,let's go for a long walk , ..........?

A.will we B.shall we C.don't you D.do you

3,no one is indifferent to praise ,.............?

A.is one B.isn't one C.is he D.are they

4,somebody has left these socks on the bathroom floor,.............?

A.have they B.haven't they C.has he D.hasn't he

5,no body knows who invited the wheel,..............?

A.do they B.don't they C.does it D.doesn't it

6,don't leave anything behind,........?

A.do you B.don't you C.will you D.shall we

10 tháng 8 2017

1,no one is better cook than his mother,.........?

A.is she B.isn't she C.are they D.aren't they

2,let's go for a long walk , ..........?

A.will we B.shall we C.don't you D.do you

3,no one is indifferent to praise ,.............?

A.is one B.isn't one C.is he D.are they

4,somebody has left these socks on the bathroom floor,.............?

A.have they B.haven't they C.has he D.hasn't he

5,no body knows who invited the wheel,..............?

A.do thet B.don't they C.does it D.doesn't it

6,don't leave anything behind,........?

A.do you B.don't you C.will you D.shall we

23 tháng 11 2021

1. Letters are typed in the office by Mary.

2. You will be helped by his father tomorrow.

4. This bottle was broken here by Peter yesterday.

5. Englidh is being learnt in this room (by them) now.

6. My mind can't be changed.

7. I hadn't been told about it.

8. Her telephone number isn't  known (by me).

9. The children will be brought home by my students.

10. I was sent a present last week.

11. We were gave more information by Lan.

12. Tea can't be made with cold water.

13. Some of my books have been taken away.

14. English has been learnt at this school by the children for 5 years.

15. The woman with a red hat was looked at by the children.

16. English is spoken in almost every corner of the world.

5 tháng 7 2021

the police asked each of us about his movements on the right of the crime

=> Each of us were asked about his movements on the right of the crime by the police

someone has already told him to report for duty at six

He has already been told to report for duty at six

no one can do anything unless someone gives us more information

Nothing can be done unless more information is given to us

people are spending far more money on food now than they spent 10 years ago

Far more money is being spent on food now than it was spent 10 years ago

they will say nothing more about the matter if someone returns the stolen gun

Nothing will be said more about the matter if someone returns the stolen gun

it is high time someone told him to stop behaving like a child

It is high time he was told to stop behaving like a child

5 tháng 9 2015

Ta thấy : / x / > hoặc = x ; / y / > hoặc = y => / x / + / y / > hoặc = x + y ( với mọi x và y thuộc Q ) . (1)

/ x / > hoặc = -x => - / x / < hoặc = x ; / y / > hoặc = -y => - / y / < hoặc = y

=> -( / x / + / y / ) < hoặc = x + y . ( 2 )

Từ (1) và (2) => -( / x / + / y / ) <hoặc = x+y < hoặc = / x/ + / y /

=> / x + y / < hoặc = / x / + / y /

 

9 tháng 8 2021

1 English is being learned in the room

2 My mind can't be changed

3 I hadn't been told about it

4 Her telephone number isn't known by me

 English is being learned in the room

 My mind can't be changed

 I hadn't been told about it

 Her telephone number isn't known by me

14 tháng 7 2017

TRANSFORMATION

1) YOU CAN'T BUY ANYTHING NICE IN THAT SHOP.

=> NOTHING nice can be bought in that shop

2) TURN OFF ALL SWITHCES BEFORE LEAVING THE WORKSHOP.

=> ALL THE SWITHCES must be turned off before leaving the workshop

3) IF YOU ARE A STUDENT, YOU CAN ALWAYS GET SPECIAL REDUCED PRICES.

=> UNLESS you are a student, you can't always get special reduced prices

4) A CHILD WAS SWIMMING ACROSS THE SAIGON RIVER.

=> I SAW a child swimming across the saigon river

5) THE WORKERS WORKING IN AMERICA FACTORIES LEARNT ENGLISH IN 6 MONTHS.

=> IT took the workers working in America factories 6 months to learn english

6) THE STUDENTS CONTINUED TO TALK ABOUT THE PARTY

=> THE STUDENTS KEPT on talking about the party

7) I CAN'T SWIM AS WELL AS TOM

=> TOM can swim better than me

8) THEY COULD NOT DO ANYTHING TO STOP THE FIRE.

=> NOTHING could be done to stop the fire

9) SHE KNOWS A LOT MORE ABOUT IT THAN I DO.

=> I DON'T KNOW as much about it as she does

10) THERE'S USUALLY PLENTY OF SUNSHINE IN SOUTHERN COUTRIES.

=> IT'S usually sunny in southern countries

11) HE LIVES FOR THE OTHERS AND HE FINDS HIS LIFE MEANINGFUL.

=> UNLESS he lived for the others, he wouldn't find his life meaningful

12) WITHOUT AIR, THERE WOULD BE NO LIFE ON THIS PLANET.

=> IF there weren't air, there would be no life on this planet

14 tháng 7 2017

TRANSFORMATION

1) YOU CAN'T BUY ANYTHING NICE IN THAT SHOP.

=> NOTHING NICE CAN BE BOUGHT IN THAT SHOP.

2) TURN OFF ALL SWITHCES BEFORE LEAVING THE WORKSHOP.

=> ALL THE SWITCHES SHOULD BE TURNED OFF BEFORE YOU LEAVE THE WORKSHOP.

3) IF YOU ARE A STUDENT, YOU CAN ALWAYS GET SPECIAL REDUCED PRICES.

=> UNLESS YOU ARE A STUDENT, YOU CAN'T ALWAYS GET SPECIAL REDUCED PRICES.

4) A CHILD WAS SWIMMING ACROSS THE SAIGON RIVER.

=> I SAW A CHILD SWIMMING ACROSS THE SAIGON RIVER.

5) THE WORKERS WORKING IN AMERICA FACTORIES LEARNT ENGLISH IN 6 MONTHS.

=> IT TOOK THE WORKERS WORKING IN AMERICAN FACTORIES 6 MONTHS TO LEARN ENGLISH.

6) THE STUDENTS CONTINUED TO TALK ABOUT THE PARTY

=> THE STUDENTS KEPT TALKING ABOUT THE PARTY.

7) I CAN'T SWIM AS WELL AS TOM

=> TOM CAN SWIM BETTER THAN ME.

8) THEY COULD NOT DO ANYTHING TO STOP THE FIRE.

=> NOTHING COULD BE DONE TO STOP THE FIRE.

9) SHE KNOWS A LOT MORE ABOUT IT THAN I DO.

=> I DON'T KNOW AS MUCH ABOUT IT AS SHE DOES.

10) THERE'S USUALLY PLENTY OF SUNSHINE IN SOUTHERN COUTRIES.

=> IT'S USUALLY SUNNY IN SOUTHERN COUNTRIES.

11) HE LIVES FOR THE OTHERS AND HE FINDS HIS LIFE MEANINGFUL.

=> UNLESS

12) WITHOUT AIR, THERE WOULD BE NO LIFE ON THIS PLANET.

=> IF