Hãy nhập câu hỏi của bạn vào đây, nếu là tài khoản VIP, bạn sẽ được ưu tiên trả lời.
V. Read the passage below and then choose the correct answer A, B, C or D. (8pts) English Learning Every year many people in the world learn English. Some of them are young children. (1)_____________ are teenagers. Many are adults. Some learn at school, and some learn in evening classes. A few learn English by (2)_____________ or just by (3)__________to the language on television or among their friends. Most people must work hard to learn English. (4)________________do all these people want to learn English? It is difficult to answer that question. Young children learn English at school to study better at their subject. Many adults learn English because (5)____________ useful for their work. Teenagers often learn English for their (6)_____________ studies, because some of their books are written (7)______________ English at college and university. Other people learn English because they want to read English newspapers or magazines for (8)___________ and entertainment.
1. A. The others B. Others C. Another D. Each other
2. A. them B. their C. themselves D. theirs
3. A. listening B. speaking C. talking D. hearing
4. A. What B. How C. Why D. Where
5. A. they are B. it is C. there is D. of being
6. A. taller B. higher C. better D. fuller
7. A. in B. at C. by D. with
8. A. equipment B. example C. transportation D. information
VI.Complete the sentences with one suitable preposition. (5pts)
1.You should be ashamed…of…..your behavior.
2.We are fighting ………for……… independence and unity.
3.You look a bit fed……up… . Is anything the matter?
4. Cheer………up……! Try laughing for a change
5. Wine is made ……from…..grapes.
VII.Choose the underlined words or phrases that are not right in standard written English then correct it. (7pts) 1. Thanks for invite => inviting me to the rice- cooking festival of your village. A B C D ……………………………………=>…… ………………………………….. 2. I’d rather to participate in the contest than watch => watching it. A B C D ……………………………………=>…… ………………………………….. 3. The ambulance will be there for about ten minutes A B C D ……………………………………=>…… ………………………………….. 4. When I was having dinner, one friend of mine was coming => came to see me A B C D ……………………………………=>…… ………………………………….. 5. The book writing => written by Jack London is very popular in the world. A B C D ……………………………………=>…… ………………………………….. 6. Liz told that she was interested in the rice–cooking contest. A B C D ?……………………………………=>…… ………………………………….. 7. My family spent an interested => interesting holiday in Europe last summer. A B C D ……………………………………=>…… …………………………………..
VIII. Read the passage and fill in the space with one suitable word. (20pts)
Last Wednesday evening, my wife and I (1) … ..…arrived…..in Hong Kong on a flight from Bangkok. It was our first ( 2) …visit ..……..to the country and we are looking (3) ….. forward……..to having very enjoyable days of shopping and (4) …. …sightseeing…….here before returning to our home in Hawaii. As soon as we arrived, the customs however, our dreams of a happy holiday(5)……. were………shattered. There, we were (6) ……greeted……. by two unsmiling customs inspectors who demanded that we(7) ……would……..open all our suitcases. They (8) ……then……..took everything out of them and inspected (9)….. …each……..item very carefully, without (10)… …saying……a word. They tore open all the presents that we had (11) ……bought……. in Bangkok for our friends at (12) ……home……..They even open my (13)……wife's…….. cosmetic and stuck their fingers in them .When (14) ……we……..protested, they told my wife and (15) ……me……..to follow them to a special room. There (16) ……they……..searched and (17)…. …asked…….a great number (18) ………of……questions. Only (19).. ……after……..ten minutes of such questioning, we were finally (20) ………allowed……..to leave.
IX. Complete the second sentence so that it has a similar meaning to the first. (10pts) 1. “ I think you should go by train? “ he told us .
=> He advised me to go by train.
2. It was such a boring film that she felt asleep.
=> The film was so boring that she felt asleep.
3. We find it difficult to understand this question
=> This question is too difficult for us to understand.
4. Peter spent three hours repainting his house.
=> It took Peter three hours repainting his house.
5. They’ ve lived here for six years .
=> They moved here six years ago.
6. I’ve never read a more romatic story.
=> It’s the most romantic story I've ever read.
7. Noone works harder than Barbara.
=> Barbara is the hardest worker.
8. I haven’t met him for two years.
=> It’s two years since I last met him.
9. The water was so cold that the children could not swim in it.
=> The water was not warm enough for the children to drink.
X - Đã làm ở trước -.-
VI.Complete the sentences with one suitable preposition. (5pts)
1.You should be ashamed…of…..your behavior.
2.We are fighting ………for……… independence and unity.
3.You look a bit fed……up… . Is anything the matter?
4. Cheer………up……! Try laughing for a change
5. Wine is made ……from…..grapes.
VII.Choose the underlined words or phrases that are not right in standard written English then correct it. (7pts) 1. Thanks for invite => inviting me to the rice- cooking festival of your village. A B C D ……………………………………=>…… ………………………………….. 2. I’d rather to participate in the contest than watch => watching it. A B C D ……………………………………=>…… ………………………………….. 3. The ambulance will be there for about ten minutes A B C D ……………………………………=>…… ………………………………….. 4. When I was having dinner, one friend of mine was coming => came to see me A B C D ……………………………………=>…… ………………………………….. 5. The book writing => written by Jack London is very popular in the world. A B C D ……………………………………=>…… ………………………………….. 6. Liz told that she was interested in the rice–cooking contest. A B C D ?……………………………………=>…… ………………………………….. 7. My family spent an interested => interesting holiday in Europe last summer. A B C D ……………………………………=>…… …………………………………..
VIII. Read the passage and fill in the space with one suitable word. (20pts)
Last Wednesday evening, my wife and I (1) … ..…arrived…..in Hong Kong on a flight from Bangkok. It was our first ( 2) …visit ..……..to the country and we are looking (3) ….. forward……..to having very enjoyable days of shopping and (4) …. …sightseeing…….here before returning to our home in Hawaii. As soon as we arrived, the customs however, our dreams of a happy holiday(5)……. were………shattered. There, we were (6) ……greeted……. by two unsmiling customs inspectors who demanded that we(7) ……would……..open all our suitcases. They (8) ……then……..took everything out of them and inspected (9)….. …each……..item very carefully, without (10)… …saying……a word. They tore open all the presents that we had (11) ……bought……. in Bangkok for our friends at (12) ……home……..They even open my (13)……wife's…….. cosmetic and stuck their fingers in them .When (14) ……we……..protested, they told my wife and (15) ……me……..to follow them to a special room. There (16) ……they……..searched and (17)…. …asked…….a great number (18) ………of……questions. Only (19).. ……after……..ten minutes of such questioning, we were finally (20) ………allowed……..to leave.
IX. Complete the second sentence so that it has a similar meaning to the first. (10pts) 1. “ I think you should go by train? “ he told us .
=> He advised me to go by train.
2. It was such a boring film that she felt asleep.
=> The film was so boring that she felt asleep.
3. We find it difficult to understand this question
=> This question is too difficult for us to understand.
4. Peter spent three hours repainting his house.
=> It took Peter three hours repainting his house.
5. They’ ve lived here for six years .
=> They moved here six years ago.
6. I’ve never read a more romatic story.
=> It’s the most romantic story I've ever read.
7. Noone works harder than Barbara.
=> Barbara is the hardest worker.
8. I haven’t met him for two years.
=> It’s two years since I last met him.
9. The water was so cold that the children could not swim in it.
=> The water was not warm enough for the children to drink.
X - Đã làm.
IV.Give the correct form of the words in brackets. (10pts)
1.On Christmas Day, I often send my close friends (greet) greeting cards. ………………………..
2. Paris is (fame) famous for the Eiffel Tower. ………………………..
3. He has been an active ( participate) participant in the contest. ………………………..
4. The school drama society will have a ( perform) performance of Hamlet. ………………………..
5. Last night, the TV program was very ( interest) interesting. ………………………..
6. I think these thick clothes are (suit) suitable for cold weather. ………………………..
7. It’s ( tradition) traditional in England to eat turkey on Christmas Day. ………………………..
8. Over 200 (compete) competitors entered the race . ……………………….
. 9. Santa Claus is based on the (describe) description of Saint Nicholas in a poem. ………………………..
10. Dad was putting up the Christmas (decorate) decoration. ………………………..
V. Read the passage below and then choose the correct answer A, B, C or D. (8pts) English Learning Every year many people in the world learn English. Some of them are young children. (1)_____________ are teenagers. Many are adults. Some learn at school, and some learn in evening classes. A few learn English by (2)_____________ or just by (3)__________to the language on television or among their friends. Most people must work hard to learn English. (4)________________do all these people want to learn English? It is difficult to answer that question. Young children learn English at school to study better at their subject. Many adults learn English because (5)____________ useful for their work. Teenagers often learn English for their (6)_____________ studies, because some of their books are written (7)______________ English at college and university. Other people learn English because they want to read English newspapers or magazines for (8)___________ and entertainment.
1. A. The others B. Others C. Another D. Each other
2. A. them B. their C. themselves D. theirs
3. A. listening B. speaking C. talking D. hearing
4. A. What B. How C. Why D. Where
5. A. they are B. it is C. there is D. of being
6. A. taller B. higher C. better D. fuller
7. A. in B. at C. by D. with
8. A. equipment B. example C. transportation D. information
VI.Complete the sentences with one suitable preposition. (5pts)
1.You should be ashamed…of…..your behavior.
2.We are fighting ………for……… independence and unity.
3.You look a bit fed……up… . Is anything the matter?
4. Cheer………up……! Try laughing for a change
5. Wine is made ……from…..grapes.
VII.Choose the underlined words or phrases that are not right in standard written English then correct it. (7pts) 1. Thanks for invite => inviting me to the rice- cooking festival of your village. A B C D ……………………………………=>…… ………………………………….. 2. I’d rather to participate in the contest than watch => watching it. A B C D ……………………………………=>…… ………………………………….. 3. The ambulance will be there for about ten minutes A B C D ……………………………………=>…… ………………………………….. 4. When I was having dinner, one friend of mine was coming => came to see me A B C D ……………………………………=>…… ………………………………….. 5. The book writing => written by Jack London is very popular in the world. A B C D ……………………………………=>…… ………………………………….. 6. Liz told that she was interested in the rice–cooking contest. A B C D ?……………………………………=>…… ………………………………….. 7. My family spent an interested => interesting holiday in Europe last summer. A B C D ……………………………………=>…… …………………………………..
VIII. Read the passage and fill in the space with one suitable word. (20pts)
Last Wednesday evening, my wife and I (1) … ..…arrived…..in Hong Kong on a flight from Bangkok. It was our first ( 2) …visit ..……..to the country and we are looking (3) ….. forward……..to having very enjoyable days of shopping and (4) …. …sightseeing…….here before returning to our home in Hawaii. As soon as we arrived, the customs however, our dreams of a happy holiday(5)……. were………shattered. There, we were (6) ……greeted……. by two unsmiling customs inspectors who demanded that we(7) ……would……..open all our suitcases. They (8) ……then……..took everything out of them and inspected (9)….. …each……..item very carefully, without (10)… …saying……a word. They tore open all the presents that we had (11) ……bought……. in Bangkok for our friends at (12) ……home……..They even open my (13)……wife's…….. cosmetic and stuck their fingers in them .When (14) ……we……..protested, they told my wife and (15) ……me……..to follow them to a special room. There (16) ……they……..searched and (17)…. …asked…….a great number (18) ………of……questions. Only (19).. ……after……..ten minutes of such questioning, we were finally (20) ………allowed……..to leave.
IX. Complete the second sentence so that it has a similar meaning to the first. (10pts) 1. “ I think you should go by train? “ he told us .
=> He advised me to go by train.
2. It was such a boring film that she felt asleep.
=> The film was so boring that she felt asleep.
3. We find it difficult to understand this question
=> This question is too difficult for us to understand.
4. Peter spent three hours repainting his house.
=> It took Peter three hours repainting his house.
5. They’ ve lived here for six years .
=> They moved here six years ago.
6. I’ve never read a more romatic story.
=> It’s the most romantic story I've ever read.
7. Noone works harder than Barbara.
=> Barbara is the hardest worker.
8. I haven’t met him for two years.
=> It’s two years since I last met him.
9. The water was so cold that the children could not swim in it.
=> The water was not warm enough for the children to drink.
X - Đã làm ở trước -.-
III. Choose the best answer to complete the following sentences. (15pts)
1. His handwriting is terrible. It’s not easy at all ….........what he writes.
A. to see B. to read C. reading D. seeing
2. The city is ……………….on the shore of Lake Michigan.
A. visited B. lied C. laying D.located
3. Saigon ……………more than three hundred years ago.
A. was built B. has been built C. was building D. built
4. The Smiths never go out in the evening, ……………….?
A. do they B. don’t they C. doesn’t he D. does he
5. How do people decide……………the contest ?
A. who do win B. do who win C. who winning D. who wins
6. Last week my child …………… to the biggest zoo in town by my wife.
A. took B. were taken C. went D. has gone
7. They ……………me if I could speak Japanese.
A. told B. said C. asked D. talked
8. Are you proud…………….your country and its tradition ?
A. about B. on C. of D. for
9. I want to ask my parents ................... some money.
A. from B. for C. with D. about
10. You are very different ........................ your brother.
A. to B. for C. with D. from
11. I am better ........................ English than Nam.
A.than B. with C. at D. for
12. He seldom goes fishing, ...................?
A. doesn't he B. is he C. does he D. isn't he
13. Heavy rains …….the plane for several hours
A. stopped B. prevented C. delayed D. kept
14. You must go to school ……the ages of 5 and 16. it is compulsory.
A. from B.over C.during D.between
15. Sorry to keep you…………
A. wait B. waiting C. to wait D. waited
1.On Christmas Day, I often send my close friends (greet) cards. greeting
2. Paris is (fame) for the Eiffel Tower. famous
3. He has been an active ( participate) in the contest. participant
4. The school drama society will have a ( perform) of Hamlet. performance
5. Last night, the TV program was very ( interest). interesting
6. I think these thick clothes are (suit) for cold weather. suitable
7. It’s ( tradition) in England to eat turkey on Christmas Day. traditional
8. Over 200 (compete) entered the race . competitors
9. Santa Claus is based on the (describe) of Saint Nicholas in a poem. description
10. Dad was putting up the Christmas (decorate). decorations
I.Choose one of word whose underlined part is pronounced differently from the others (5 pts).
1. A. christmas B. character C. school D.church
2. A. traveled B. surprised C. worked D. climbed
3. A. tour B. pour C. your D. course
4. A. towel B. down C. window D.flower
5. A. cook B. food C. too D. pool
II. Give the correct form of the verbs in brackets (10pts)
1.I ‘ve decided (stop) ……to stop….smoking. .................................................. ....
2. How many times have…you ( be)…been….. to London this year? .................................................. ....
3.This house ( build) …was built.. three years ago. .................................................. ....
4.We are tired of (work)…working….. for low salary. .................................................. ....
5. This is the second time you (break)…have broken…a cup. .................................................. ....
6. I ( not send) …won't send…the parcel until I hear from you. .................................................. ....
7.What ( you/ do) …were you doing…….at this time yesterday? .................................................. ....
8.Would you mind…not to smoke..( smoke) here? .................................................. ....
9.Water …covers..( cover) most of the Earth’s surface. .................................................. ....
10.The gate …is locked…..( lock) at 6.30 p.m everyday. .................................................. .... III. Choose the best answer to complete the following sentences. (15pts)
1. His handwriting is terrible. It’s not easy at all ….........what he writes.
A. to see B. to read C. reading D. seeing
2. The city is ……………….on the shore of Lake Michigan.
A. visited B. lied C. laying D.located
3. Saigon ……………more than three hundred years ago.
A. was built B. has been built C. was building D. built
4. The Smiths never go out in the evening, ……………….?
A. do they B. don’t they C. doesn’t he D. does he
5. How do people decide……………the contest ?
A. who do win B. do who win C. who winning D. who wins
6. Last week my children …………… to the biggest zoo in town by my wife.
A. took B. were taken C. went D. has gone
7. They ……………me if I could speak Japanese.
A. told B. said C. asked D. talked
8. Are you proud…………….your country and its tradition ?
A. about B. on C. of D. for
9. I want to ask my parents ................... some money.
A. from B. for C. with D. about
10. You are very different ........................ your brother.
A. to B. for C. with D. from
11. I am better ........................ English than Nam.
A.than B. with C. at D. for
12. He seldom goes fishing, ...................?
A. doesn't he B. is he C. does he D. isn't he
13. Heavy rains …….the plane for several hours
A. stopped B. prevented C. delayed D. kept
14. You must go to school ……the ages of 5 and 16. it is compulsory.
A. from B.over C.during D.between
15. Sorry to keep you…………
A. wait B. waiting C. to wait D. waited
IV.Give the correct form of the words in brackets. (10pts)
1.On Christmas Day, I often send my close friends (greet) ,...........greeting........ cards.
2. Paris is (fame) for the Eiffel Tower. ……………famous………..
3. He has been an active ( participate) in the contest. ……………participant…………..
4. The school drama society will have a ( perform) of Hamlet. ………………performance………..
5. Last night, the TV program was very ( interest). ……………interesting…………..
6. I think these thick clothes are (suit) for cold weather. ……………suitable…………..
7. It’s ( tradition) in England to eat turkey on Christmas Day. ……………traditional…………..
8. Over 200 (compete) entered the race . …………competitors……………..
9. Santa Claus is based on the (describe) of Saint Nicholas in a poem. ……………description…………..
10. Dad was putting up the Christmas (decorate). ……………decoration…………..
V. Read the passage below and then choose the correct answer A, B, C or D. (8pts)
English Learning
Every year many people in the world learn English. Some of them are young children. (1)_____________ are teenagers. Many are adults. Some learn at school, and some learn in evening classes. A few learn English by (2)_____________ or just by (3)__________to the language on television or among their friends. Most people must work hard to learn English. (4)________________do all these people want to learn English? It is difficult to answer that question. Young children learn English at school to study better at their subject. Many adults learn English because (5)____________ useful for their work. Teenagers often learn English for their (6)_____________ studies, because some of their books are written (7)______________ English at college and university. Other people learn English because they want to read English newspapers or magazines for (8)___________ and entertainment.
1. A. The others B. Others C. Another D. Each other
2. A. them B. their C. themselves D. theirs
3. A. listening B. speaking C. talking D. hearing
4. A. What B. How C. Why D. Where
5. A. they are B. it is C. there is D. of being
6. A. taller B. higher C. better D. fuller
7. A. in B. at C. by D. with
8. A. equipment B. example C.transportation D. information
VI.Complete the sentences with one suitable preposition. (5pts)
1.You should be ashamed…of…..your behavior.
2.We are fighting ………for……… independence and unity.
3.You look a bit fed……up… . Is anything the matter?
4. Cheer……up………! Try laughing for a change
5. Wine is made ……from…..grapes.
VII.Choose the underlined words or phrases that are not right in standard written English then correct it. (7pts)
1. Thanks for invite => inviting me to the rice- cooking festival of your village. A B C D ……………………………………=>…… …………………………………..
2. I’d rather to participate in the contest than watch => watching it. A B C D ……………………………………=>…… …………………………………..
3. The ambulance will be there for about ten minutes A B C D ……………………………………=>…… …………………………………..
4. When I was having dinner, one friend of mine was coming => came to see me A B C D ……………………………………=>…… …………………………………..
5. The book writing => written by Jack London is very popular in the world. A B C D ……………………………………=>…… …………………………………..
6. Liz told => said that she was interested in the rice–cooking contest. A B C D ……………………………………=>…… …………………………………..
7. My family spent an interested => interesting holiday in Europe last summer. A B C D ……………………………………=>…… …………………………………..
VIII. Read the passage and fill in the space with one suitable word. (20pts)
Last Wednesday evening, my wife and I (1) … ..arrived……..in Hong Kong on a flight from Bangkok. It was our first ( 2) …visit ..……..to the country and we are looking (3) ….. …forward…..to having very enjoyable days of shopping and (4) …. …sightseeing…….here before returning to our home in Hawaii. As soon as we arrived, the customs however, our dreams of a happy holiday(5)……. …were……shattered. There, we were (6) ………greeted…. by two unsmiling customs inspectors who demanded that we(7) …… would……..open all our suitcases. They (8) ……then……..took everything out of them and inspected (9)….. each………..item very carefully, without (10)… …saying……a word. They tore open all the presents that we had (11) ………bought…. in Bangkok for our friends at (12) ……home……..They even open my (13)………wife's….. cosmetic and stuck their fingers in them .When (14) ……we……..protested, they told my wife and (15) ……me……..to follow them to a special room. There (16) ……they……..searched and (17)…. …asked…….a great number (18) ………of………questions. Only (19).. ……after……..ten minutes of such questioning, we were finally (20) ………allowed……..to leave.
IX. Complete the second sentence so that it has a similar meaning to the first. (10pts)
1. “ I think you should go by train? “ he told us .
=> He advised me to go by train.
2. It was such a boring film that she felt asleep.
=> The film was so boring that she felt asleep.
3. We find it difficult to understand this question
=> This question is too difficult for us to understand.
4. Peter spent three hours repainting his house.
=> It took Peter three hours repainting his house.
5. They’ ve lived here for six years .
=> They moved here six years ago.
6. I’ve never read a more romatic story.
=> It’s the most romantic story I've ever read.
7. Noone works harder than Barbara.
=> Barbara works the hardest.
8. I haven’t met him for two years.
=> It’s two years since I last met him.
9. The water was so cold that the children could not swim in it.
=> The water was not warm enough for the children to swim in t.
X. Write the following sentences, using the words given (10pts)
1,Chidren / not enough/ food/ eat/ warm/ clothes /wear/
=> Children don't have enought food to eat and warm clothes to wear.
2, Little/ girl/ my/ house/sing/ beautiful/ party./
=> The little girl near my house sang beautifully in the party.
3,I/ used/ look/ after/ younger/ brother/ sister/ when/ parents/work/
=> I used to look after my younger brother and sister when my parents at work.
4,New/ shopping/ mall/ customers/ shop/ comfort/ not/ notice/weather./
=> In the new shopping mall, customers shopping in comfor don't notice the weather.
5, Go/ train/ cheaper/ go/ plane./
=> Going by train is cheaper than going by plane.
6, Residents/ store/ owners/ concerned/ new/ mall/ few/ months./
=> Residents and the store owners have been concerned with new mall for few months.
7, People/ do/ everything/ without/ help/ modern/ equipment/ year / ago/
=> People did everything without helping of modern equipments for years ago.
8, It/ difficult/ learn/ two/ languages/ same/ time./
=> It is difficult to learn two languages at the same time.
9,She / punnish/ yesterday/ by/ mother/ for/ go/ out/ without/ pemission./
=> She was punished yesterday by her mother for going out without permission.
10,She/ said/ she/ interested/ rice-cooking/ contest
=> She said that the was interested in the rice-cooking contest.
Tìm lỗi và sửa
1/ i bought a different gift for my friend in America last year. (??)
A bought B different
C for D America
2 / last week the dentist felt a cavity in my broken tooth.
A the. B felt=>filled
C in D broken tooth
3/ i don't know how explain all these things to you now.
A i don't know B how explain=>how to explain
C all these. D to you
4/ the doctor told her to sit down and asked what was the matter with her.
A told B to sit down
C what was the matter=>the matter was D with her
5/ the doctor measured=>took her temperature and said that it was normal
6/ after checking the doctor gave her some medicine and asks her to stay in bed for a few days
A after checking B gave C asks=>asked
D to stay in bed
7/ today i said my mother about my trip to Ho Chi Minh city with my classmates
A said=>told. B about. C to. D with
8/ they listened to me careful but they didn't let me go with them.
A listened. B careful=>carefully. C didn't. D go
9/ when i was having dinner , one friend of mine was coming to see me.
A having. B one friend. C was coming=>came
D see me
10/ my parents always think that i am not enough old to ride to school alone
A think B enough old.=>old enough C ride to D alone
11/ she asked us learned new words immediately before we left class
A she asked. B learned new words=>to learn new words
C immediately. D left class
12/ how do you go to see the dentist? Once or twice a month
A how do.=>how often do B to see C once D a month
Bài 4:
1.since=>for
2. writting=>written
3sung=>sang
4.like=>as
5.shall=>Could,would
Chúc bạn học tốt!~_~
Choose the words or phrases that are incorrect then correct them.
1.Thanks for invite =>INVITING me to the rice-cooking festival of your village.
A B C D
2.I'd rather to participate =>PARTICIPATE in the contest than watch it.
A B C D
3.The ambulance will be there for=>IN about ten minutes.
A B C D
4.When i was having dinner, one friend of mine was coming=>CAME to see me.
A B C D
5.The book writing=>WRITTEN by Jack London is very popular in the world.
A B C D
6.Liz told that=>SAID THAT she was interested in the rice-cooking contest.
A B C D
7.My family spent an interested=>INTERESTING holiday in Europe last summer.
A B C D
1-a
2-b
3-a
4-c
5-d
6-b
7-d