K
Khách

Hãy nhập câu hỏi của bạn vào đây, nếu là tài khoản VIP, bạn sẽ được ưu tiên trả lời.

11 tháng 2 2018

Sally is quite keen............ the idea.

A. in B. for C. of D. on

11 tháng 2 2018

Sally is quite keen....the idea

A.in B.for C.of D.on

18 tháng 6 2018

Choose the word or phrase that best completes the sentence.
1. She is the writer __________ novels are bestsellers now.
A. that B. whose C. her D. whom
2. All the fans __________ the walls are new.
A. beside B. in C. on D. at
3. The singer performed __________.
A. nice B. quite well C. lively D. very goodly.
4. She is now __________ a tour of Europe.
A. for B. at C. on D. in
5. Everyday Mark plays tennis for an hour with some friends. It's his favorite __________.
A. pastime B. program C. timetable D. show
6. They have to be responsible __________ that plan.
A. on B. for C. to D. with
7. They are quite __________ of their new film series on TV.
A. proud B. interested C. excited D. keen
8. The boy is still __________. Don't wake him up yet.
A. sleep B. sleepy C. asleep D. sleepless

Câu 9 lạ hoắc ra!

He looks diferent ................................. his father . A . to B . for C . from D . with It's time .......................... recess . A . on B . for C . to D . with Mai learns ......................... to use the computer . A . How B .What C . Why D . When Does...
Đọc tiếp

He looks diferent ................................. his father .

A . to B . for C . from D . with It's time .......................... recess . A . on B . for C . to D . with Mai learns ......................... to use the computer . A . How B .What C . Why D . When Does Nam play marble ........................ recess ? A . on B . in C . at D . from Children should ................................ to bed early . A . to go B . goes C . going D . go That a good .......................... ! Let 's go to the beach . A . thinking B . answwer C . idea D . asking Tim and Hoa are the same .............................. A .age B . years old C . date D . old She will have a party ........................... birthday party . A . at B . in C . on D . with We must stay here ........................................... 8.30 to 9 . 00 A . between B . before C . from D . on ................................ is your classroom like ? - It's big and clean . A . How B . What C . Where D . Who I am happy .................................. receive your letter . A . with B . to C . in D . of What is your ............................. of birth ? - It 's on the eighth of Octorber . A . day B . date C . month D . year Is ..................................... riding a bicycle ? A . he B . he 's C . you D . they Do you want to go to China to see ..................................... A . panda B . kangaroo C . pengwin D . ostrich
3
29 tháng 8 2017

He looks diferent ................................. his father .

A . to B . for C . from D . with It's time .......................... recess . A . on B . for C . to D . with Mai learns ......................... to use the computer . A . How B .What C . Why D . When Does Nam play marble ........................ recess ? A . on B . in C . at D . from Children should ................................ to bed early . A . to go B . goes C . going D . go That a good .......................... ! Let 's go to the beach . A . thinking B . answwer C . idea D . asking Tim and Hoa are the same .............................. A .age B . years old C . date D . old She will have a party ........................... birthday party . A . at B . in C . on D . with We must stay here ........................................... 8.30 to 9 . 00 A . between B . before C . from D . on ................................ is your classroom like ? - It's big and clean . A . How B . What C . Where D . Who I am happy .................................. receive your letter . A . with B . to C . in D . of What is your ............................. of birth ? - It 's on the eighth of Octorber . A . day B . date C . month D . year Is ..................................... riding a bicycle ? A . he B . he 's C . you D . they Do you want to go to China to see ..................................... A . panda B . kangaroo C . pengwin D . ostrich

29 tháng 8 2017

He looks diferent ................................. his father .

A . to B . for C . from D . with

It's time .......................... recess . A . on B . for C . to D . with Mai learns

......................... to use the computer . A . How B .What C . Why D . When

Does Nam play marble ........................ recess ? A . on B . in C . at D . from

Children should ................................ to bed early . A . to go B . goes C . going D . go

That a good .......................... ! Let 's go to the beach . A . thinking B . answwer C . idea D . asking

Tim and Hoa are the same .............................. A .age B . years old C . date D . old

She will have a party ........................... birthday party . A . at B . in C . on D . with

We must stay here ........................................... 8.30 to 9 . 00 A . between B . before C . from D . on

................................ is your classroom like ? - It's big and clean . A . How B . What C . Where D . Who

I am happy .................................. receive your letter . A . with B . to C . in D . of

What is your ............................. of birth ? - It 's on the eighth of Octorber . A . day B . date C . month D . year

Is ..................................... riding a bicycle ? A . he B . he 's C . you D . they

Do you want to go to China to see ..................................... A . panda B . kangaroo C . pengwin D . ostrich

Choose the correct answers. 7. There are a lot of things _____ in Da Lat. A. see B. to see C. seeing D. to seeing 8. It is called the Tiger room _____ there is a big tiger on the wall. A. because B. so C. but D. like 9. I live _____ my parents and my younger sister in a town house _____ Ha Noi. A. with - at B. at - at C. of - in D. with - in 10. We are moving _____ a new house _____ the city centre soon. A. to - in B. at - at C. to - from D. with - in 11. We live in a town...
Đọc tiếp

Choose the correct answers.

7. There are a lot of things _____ in Da Lat.

A. see B. to see C. seeing D. to seeing

8. It is called the Tiger room _____ there is a big tiger on the wall.

A. because B. so C. but D. like

9. I live _____ my parents and my younger sister in a town house _____ Ha Noi.

A. with - at B. at - at C. of - in D. with - in

10. We are moving _____ a new house _____ the city centre soon.

A. to - in B. at - at C. to - from D. with - in

11. We live in a town house, but our grandparents live in a _____ house.

A. villa B. country C. apartment D. city

12. There are two lights _____ the ceiling.

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

13. There is a family photo _____ the wall.

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

14. There _____ four chairs and a table _____ the middle of room.

A. is - on B. is - in C. are - at D. are - in

15. We need some chairs _____ the kitchen.

A. with D. for C. at D. on

16. There are some dirty dishes _____ the floor.

A. in B. with C. on D. for

17. There aren't any pillows _____ the bed.

A. in B. on C. behind D. in front of

18. My bedroom is _____ the bathroom.

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

19. I'd _____ study hard for the exam.

A. better B. like C. be D. do

20. There are clothes on the floor - it's _____.

A. interesting B. mess C. messes D. messy

21. There _____ a big fridge _____ the corner.

A. is - on B. is - in C. are - in D. are - on

22. There are many chairs in the litchen, _____ there is only one in my bedroom.

A. so B. because C. but D. in

23. My bedroom is small but it has a _____ window.

A. big B. small C. interesting D. old

24. Where _____ the living room?

A. is B. are C. do D. does

25. Where _____ the books? Are they _____ the bookshelf?

A. in - on B. is - in C. are - in D. are - on

26. _____ there any furniture _____ your new living room?

A. Is - in B. Is - at C. Are - in D. Are - on

4
22 tháng 7 2017

Choose the correct answers.

7. There are a lot of things _____ in Da Lat.

A. see B. to see C. seeing D. to seeing

8. It is called the Tiger room _____ there is a big tiger on the wall.

A. because B. so C. but D. like

9. I live _____ my parents and my younger sister in a town house _____ Ha Noi.

A. with - at B. at - at C. of - in D. with - in

10. We are moving _____ a new house _____ the city centre soon.

A. to - in B. at - at C. to - from D. with - in

11. We live in a town house, but our grandparents live in a _____ house.

A. villa B. country C. apartment D. city

12. There are two lights _____ the ceiling.

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

13. There is a family photo _____ the wall.

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

14. There _____ four chairs and a table _____ the middle of room.

A. is - on B. is - in C. are - at D. are - in

15. We need some chairs _____ the kitchen.

A. with D. for C. at D. on

16. There are some dirty dishes _____ the floor.

A. in B. with C. on D. for

17. There aren't any pillows _____ the bed.

A. in B. on C. behind D. in front of

18. My bedroom is _____ the bathroom.

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

19. I'd _____ study hard for the exam.

A. better B. like C. be D. do

20. There are clothes on the floor - it's _____.

A. interesting B. mess C. messes D. messy

21. There _____ a big fridge _____ the corner.

A. is - on B. is - in C. are - in D. are - on

22. There are many chairs in the litchen, _____ there is only one in my bedroom.

A. so B. because C. but D. in

23. My bedroom is small but it has a _____ window.

A. big B. small C. interesting D. old

24. Where _____ the living room?

A. is B. are C. do D. does

25. Where _____ the books? Are they _____ the bookshelf?

A. in - on B. is - in C. are - in D. are - on

26. _____ there any furniture _____ your new living room?

A. Is - in B. Is - at C. Are - in D. Are - on

17 tháng 8 2018

Choose the correct answers.

7. There are a lot of things _____ in Da Lat.

A. see B. to see C. seeing D. to seeing

8. It is called the Tiger room _____ there is a big tiger on the wall.

A. because B. so C. but D. like

9. I live _____ my parents and my younger sister in a town house _____ Ha Noi.

A. with - at B. at - at C. of - in D. with - in

10. We are moving _____ a new house _____ the city centre soon.

A. to - in B. at - at C. to - from D. with - in

11. We live in a town house, but our grandparents live in a _____ house.

A. villa B. country C. apartment D. city

12. There are two lights _____ the ceiling.

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

13. There is a family photo _____ the wall.

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

14. There _____ four chairs and a table _____ the middle of room.

A. is - on B. is - in C. are - at D. are - in

15. We need some chairs _____ the kitchen.

A. with D. for C. at D. on

16. There are some dirty dishes _____ the floor.

A. in B. with C. on D. for

17. There aren't any pillows _____ the bed.

A. in B. on C. behind D. in front of

18. My bedroom is _____ the bathroom.

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

19. I'd _____ study hard for the exam.

A. better B. like C. be D. do

20. There are clothes on the floor - it's _____.

A. interesting B. mess C. messes D. messy

21. There _____ a big fridge _____ the corner.

A. is - on B. is - in C. are - in D. are - on

22. There are many chairs in the litchen, _____ there is only one in my bedroom.

A. so B. because C. but D. in

23. My bedroom is small but it has a _____ window.

A. big B. small C. interesting D. old

24. Where _____ the living room?

A. is B. are C. do D. does

25. Where _____ the books? Are they _____ the bookshelf?

A. in - on B. is - in C. are - in D. are - on

26. _____ there any furniture _____ your new living room?

A. Is - in B. Is - at C. Are - in D. Are - on

[DIV]Mark the letter A, B, C, or D on your answer sheet to indicate the word those underlined part differs from the other three in pronunciation in each of the following questions.Question 1: A. poster B. chopstick C. wardrobe D. sofaQuestion 2: A. watches B. wishes C. toilets D. missesQuestion 3: A. wardrobes B. windows C. sofas D. baths [DIV]Mark the letter A, B, C, or D on your answer sheet to indicate the word which differs from the other three in the position of the main stress in each of...
Đọc tiếp

[DIV]Mark the letter A, B, C, or D on your answer sheet to indicate the word those underlined part differs from the other three in pronunciation in each of the following questions.

Question 1: A. poster B. chopstick C. wardrobe D. sofa

Question 2: A. watches B. wishes C. toilets D. misses

Question 3: A. wardrobes B. windows C. sofas D. baths

 

[DIV]Mark the letter A, B, C, or D on your answer sheet to indicate the word which differs from the other three in the position of the main stress in each of the following questions.

Question 4: A. between B. dishwasher C. wardrobe D. cupboard

Question 5: A. drawer B. shower C. furniture D. department

 

[DIV]Mark the letter A, B, C, or Don your answer sheet to indicate the correct answer to each of the following questions.

Question 6: We are moving to a new …….. tomorrow. It’s on the third floor of that building.

A. flat B. town house C. villa D. country house

Question 7: There …….. two beds and a table …….. the left.

A. are - of B. are - on C. is - in D. is - on

Question 8: This is my …….. flat.

A. cousin’ B. cousin C. cousins D. cousin’s

Question 9: We live …….. the 3rd floor …….. 53 Pine Street …….. London.

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

Question 10: They are these …….. pencils.

A. boys’ B. boy’s C. boys D. boy’

Question 11: He is sitting …….. a sofa …….. the corner of the sitting room.

A. in - behind B. on - in C. at - in D. under - on

Question 12: How about …….. for new CDs in the bookstore this afternoon?

A. to look B. looks C. looking D. look

Question 13: My camera is …….. a box …….. a shelf …….. the bedroom closet.

A. in - on - in B. on - in - at C. near - on - under D. behind - on - next

Question 14: …….. there any furniture …….. your new living room?

A. Is - on B. Are - at C. Is - in D. Are - on

Question 15: Where …….. the books? Are they …….. the bookshelf?

A. are - at B. is - on C. are - in D. are -on

2

1 . C

2 . B

3 . A

4 . D

5 . A

6 . C

7 . D

8 . A

9 . C

10 . A

11 .C

12 . D

13 . A

14 .C

15 . D

29 tháng 11 2021

Question 1: A. poster B. chopsk C. wardrobe D. sofa

Question 2: A. watches B. wishes C. toilets D. misses

Question 3: A. wardrobes B. windows C. sofas D. baths

Question 4: A. between B. dishwasher C. wardrobe D. cupboard

Question 5: A. drawer B. shower C. furniture D. department

Question 6: We are moving to a new …….. tomorrow. It’s on the third floor of that building.

A. flat B. town house C. villa D. country house

Question 7: There …….. two beds and a table …….. the left.

A. are - of B. are - on C. is - in D. is - on

Question 8: This is my …….. flat.

A. cousin’ B. cousin C. cousins D. cousin’s

Question 9: We live …….. the 3rd floor …….. 53 Pine Street …….. London.

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

Question 10: They are these …….. pencils.

A. boys’ B. boy’s C. boys D. boy’

Question 11: He is sitting …….. a sofa …….. the corner of the sitting room.

A. in - behind B. on - in C. at - in D. under - on

Question 12: How about …….. for new CDs in the bookstore this afternoon?

A. to look B. looks C. looking D. look

Question 13: My camera is …….. a box …….. a shelf …….. the bedroom closet.

A. in - on - in B. on - in - at C. near - on - under D. behind - on - next

Question 14: …….. there any furniture …….. your new living room?

A. Is - on B. Are - at C. Is - in D. Are - on

Question 15: Where …….. the books? Are they …….. the bookshelf?

A. are - at B. is - on C. are - in D. are -on

V: Choose the best answer to complete the sentences.1. This type of music is quite popular _______  teenager boys and girls.A. with B. to C. for D. of2. We love to look up the stars  _______ the sky  _______ night.A. in / in B. on / at C. at / at D. in / at3. When are your friends going back  _______ Italy.A. in B. for C. to D. no preposition is needed4. Have you ever read anything  _______ Earnest Hemingway?A. of B. by C. from D. for5. I didn’t intend to take you umbrella. I took it...
Đọc tiếp

V: Choose the best answer to complete the sentences.

1. This type of music is quite popular _______  teenager boys and girls.

A. with B. to C. for D. of

2. We love to look up the stars  _______ the sky  _______ night.

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

3. When are your friends going back  _______ Italy.

A. in B. for C. to D. no preposition is needed

4. Have you ever read anything  _______ Earnest Hemingway?

A. of B. by C. from D. for

5. I didn’t intend to take you umbrella. I took it ________.

A. by chance B. by accident C. by mistake D. on purpose

6. How are you getting  ________ in your new job? Are you enjoying it?

A. on B. off C. in D. with

7. Things are changing all the time. It’s difficult to keep  ________ all these changes.

A. out of B. up with C. back from D. on about

8. We let the kids decorate their rooms  ________ they want to.

A. wherever B. whenever C. whatever D. however

9. I  ________ to see Chris on my way home.

A. dropped in B. turned over C. got by D. crossed out

10. Don’t  ________ until tomorrow what you can do today.

A. call off B. put off C. take off D. run off

1
6 tháng 9 2021

1 A

2 D

3 C

4 B

5 C

6 A

7 A

8 D

9 A

10 B

Choose the best option to complete each sentence. Write your answer in the Answer Sheet. 1. There are two books on that table and ______ of them are really interesting. A. two B. each C. both D. most 2. ______ do you spend your free time? A. How B. How often C. What D. Why 3. Sally want ____ her English, so she reads English story books every day. A. improve B....
Đọc tiếp

Choose the best option to complete each sentence. Write your answer in the Answer Sheet.

1. There are two books on that table and ______ of them are really interesting.

A. two B. each C. both D. most

2. ______ do you spend your free time?

A. How B. How often C. What D. Why

3. Sally want ____ her English, so she reads English story books every day.

A. improve B. improving C. to improve D. improves

4. THe bus station is ____ your right.

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

5. There ______ of stars in the sky.

A. is a million B. are million C. are millions D. has millions

6. They are going to stay ______ their grandparents in the country.

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

7. There are ____ accidents on the roads nowadays.

A. many B. much C. a lot D. a little

8. Of the three students, Nga is _____ .

A. the best B.good C. better D. worse

9. That's ______ coat.

A. a brown attractive leather B. an attractive leather brown

C. a leather brown attractive D. an attractive brown leather

!0. My mother ____ the housework everyday.

A.does B. makes C. goes D. plays

11. Do you think we'll find a solution ______ the problem?

A. to B. for C. of D. about

12. _____ honest man!

A. What a B. how C. What an D. How much

13. Would you like _____ that for you?

A. me doing B. that I do C. me do D. me to do

2
4 tháng 3 2020

Choose the best option to complete each sentence.

1. There are two books on that table and ______ of them are really interesting.

A. two B. each C. both D. most

2. ______ do you spend your free time?

A. How B. How often C. What D. Why

3. Sally want ____ her English, so she reads English story books every day.

A. improve B. improving C. to improve D. improves

4. The bus station is ____ your right.

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

5. There ______ of stars in the sky.

A. is a million B. are million C. are millions D. has millions

6. They are going to stay ______ their grandparents in the country.

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

7. There are ____ accidents on the roads nowadays.

A. many B. much C. a lot D. a little

8. Of the three students, Nga is _____ .

A. the best B.good C. better D. worse

9. That's ______ coat.

A. a brown attractive leather B. an attractive leather brown

C. a leather brown attractive D. an attractive brown leather

!0. My mother ____ the housework everyday.

A.does B. makes C. goes D. plays

11. Do you think we'll find a solution ______ the problem?

A. to B. for C. of D. about

12. _____ honest man!

A. What a B. how C. What an D. How much

13. Would you like _____ that for you?

A. me doing B. that I do C. me do D. me to do

Perfect Answer

~ ✰ Study well ✰~

4 tháng 3 2020

Choose the best option to complete each sentence. Write your answer in the Answer Sheet.

1. There are two books on that table and ______ of them are really interesting.

A. two B. each C. both D. most

2. ______ do you spend your free time?

A. How B. How often C. What D. Why

3. Sally want ____ her English, so she reads English story books every day.

A. improve B. improving C. to improve D. improves

4. THe bus station is ____ your right.

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

5. There ______ of stars in the sky.

A. is a million B. are million C. are millions D. has millions

6. They are going to stay ______ their grandparents in the country.

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

7. There are ____ accidents on the roads nowadays.

A. many B. much C. a lot D. a little

8. Of the three students, Nga is _____ .

A. the best B.good C. better D. worse

9. That's ______ coat.

A. a brown attractive leather B. an attractive leather brown

C. a leather brown attractive D. an attractive brown leather

!0. My mother ____ the housework everyday.

A.does B. makes C. goes D. plays

11. Do you think we'll find a solution ______ the problem?

A. to B. for C. of D. about

12. _____ honest man!

A. What a B. how C. What an D. How much

13. Would you like _____ that for you?

A. me doing B. that I do C. me do D. me to do

3 tháng 3 2020

VI. Choose the correct answer A, B, C, or D for each of the gaps to complete the following text.

Sydney is the (41)______of the state New South Wales in Australia. It is the largest, oldest , and perhaps the (42)______ beautiful city in Australia. Sydney has a population of 4.5 million. Its harbour is one of the largest in the world, and famous (43)_____ the Harbour Bridge and the Opera.. House. The streets in the city centre are narrow (44)______ many art galleries, restaurants, pubs, but the streets in Paddington are (45)____ and the houses are big.

41. A. home B. site C. capital D. village

42. A. more B. most C. less D. fewer

43. A. with B. for C. in D. at

44. A. on B. at C. to D. with

45. A. narrow B. short C. long D. wide

5. A great number of people are involved -------------- the use of English. A. in B. on C. at D. to 16. English is used -------------- an access to world scholarship and world trade. A. to B. for C. like D. as 17. There were a power failure and all the lights went --------------. A. up B. out C. after D. along 18. The police went -------------- the burglars. A. after B. over C. down D. up 19. We are going -------------- a few days for the holidays. A. away B. up C. on D. out 20. The...
Đọc tiếp
5. A great number of people are involved -------------- the use of English. A. in B. on C. at D. to 16. English is used -------------- an access to world scholarship and world trade. A. to B. for C. like D. as 17. There were a power failure and all the lights went --------------. A. up B. out C. after D. along 18. The police went -------------- the burglars. A. after B. over C. down D. up 19. We are going -------------- a few days for the holidays. A. away B. up C. on D. out 20. The dog wants to go -------------- towards the fire. A. away B. back C. after D. along 21. The prize of petrol is going -------------- because the cost of the exploitation is too high. A. down B. up C. along D. on 22. Go -------------- your work carefully before you hand it in. A. over B. up C. back D. into 23. As time goes -------------- my memory seems to get worse. A. down B. by C. out D. away 24. You should try to study hard to -------------- your classmates. A. make fun of B. keep pace with C. lose track of D. pay attention to 25. The man whom you -------------- on the bus yesterday is my father. A. took notice of B. made fuss over C. put a stop to D. made room for 26. He was very angry because they -------------- him. A. took account of B. set fire to C. made fun of D. lost touch with 27. The teacher made allowance -------------- his marks because his father was in hospital. A. up B. for C. to D. of 28. Write your name -------------- the top of the page. A. in B. at C. to D. with 29. Mozart was born in Salzburg -------------- 1756. A. at B. on C. in D. from 30. -------------- Saturday night I went to bed -------------- 11 o’clock. A. At/ on B. In/ at C. On/ at D. At/ to 31. These days everybody is aware -------------- the dangers of smoking. A. up b. of C. to D. with 32. Many young people want to be independent -------------- their parents nowadays. A. on B. up C. from D. of 33. Why are two schools so -------------- from each other. A. similar B. same C. different D. afraid 34. The child is very -------------- at arithmetic. A. quick B. prefect C. sad D. rich 35. Could I speak…… Tom, please?- I’m afraid Tom is ……work. Would you like to speak…….him ? A. up/at/to B. to/at/to C. with/in/with D. on/in/of 36. He started going……..school …….the age of five. So now he’s been………. school for ten years . He’s leaving………the end of this year. A. to/at/in/in B. to/with/on/out C. for/about/in/of D. off/up/upon/above 37. He goes….his office every day, except Sunday. On Sundays he stays ….home and works…..the garden. A. for/on/in B. to/up/with C. to/at/in D. for/at/under 38. I think I left my umbrella….. the bus . I’d better write ….. the lost property office. A. in/for B. at/to C. up/with D. on/to 39. We arrived …. the airport…… good time for the plane. A. in/for B. at/at C. up/about D. on/to 40. Can I look up a word …your dictionary? I left mine……. home.
0
24 tháng 8 2018

1. The tall trees are _______ the house

A. Between B. Behind C. Front D. Next

2. There is a yard _______ the school

A. In the left of B. In the right of C. In front of D. Behind of

3. There is a well ______ the house

A. To the right of B. In the front of

C. In the left of D. Next

4. Our house is _________ a lake

A. Near B. Next C. In D. Opposite to

5. The bakery is ______ to the police station

A. Near B. At C. Next D. Front

6. My classroom is ________ the second floor

A. At B. On C. In D. Next to

7. The hospital is ________ the school

A. Opposite B. Between C. Next D. In

8. The museum is ___the temple and the movie theater

A. Between B. Next C. Front D. Opposite

9. In the classroom , Nam is in front of Ba . Ba is___Nam

A. Between B. Opposite C. Behind D. At

10. The desk is ______ the room

A. In B. On C. Next D. Behind

29 tháng 11 2021

1.B     2.C   3.A   4.A   5.C
6.B      7.A       8.A      9.C     10.A