We looked for him everywhere but he was nowhere.. ......

A, to be seen

B, saw

C, seeing

D, seen

Giải thích: Ở đây ''chúng tôi'' là vế chủ động, ''anh ấy'' là vế bị động (được tìm kiếm) => vế sau chia theo bị động.

nowhere to be ... = không được làm gì ... ở đâu đó...

Tổng số tuổi mẹ và con 2 năm sau là:

48 + 8 = 56 (tuổi)

Tuổi mẹ 2 năm sau là:

(56 + 32) : 2 = 44 (tuổi)

Tuổi con 2 năm sau là:

56 - 44 = 12 (tuổi)

Đs...

Tổng số tuổi 2 mẹ con bây giờ là :48 + 2 + 2 = 52 ( tuổi )

Tuổi mẹ hiện nay là : 52+32 :2 =42 ( tuổi)

Tuổi con hiện nay là:   52 -42 =10 ( tuổi)  tick mình nha mình là nguời đầu tiên đó

C. used to be

Danny _used to be______ my best friend, but we haven't seen each other for years now.

Danny used to be my best friend , but we haven't seen each other for years now

1.The car was ______ to be seen.

A. somewhere B. nowhere C. anywhere D. everywhere

2.______ can change his way of thinking.

A. What B. Nowhere C. Nothing D. Not anything

3.I’m afraid she’s got _______ of the qualities we need for a promoter.

A. none B. nothing C. no D. neither

4.A: Which one would you like to have? B: _____ of them is OK, I think

.A. Both B. None C. Neither D. Either

5.No one is a better cook than his mother, _____?

A. is no one B. are they C. isn’t she D. aren’t they

6.Her car is more economical, but _____ is faster than_____ .

A. my / her B. mine / her C. it / hers D. mine /hers

7.All students in the school are free to join any club they wish or ______.

A. none B. not C. no D. without

8.Some people believe in ______ but ______ don’t.

A. them / the other B. themselves / another C. their / others D. themselves / others

9.I’m going to a wedding on Saturday. ______ is getting married.

A. A friend of mine B. A friend of me C. The friend of mine D. The friend of me

10. We went on holiday with some friends ______ .

A. of ours B. us C. our D. ours

11. I don’t want to share a room with anybody. I want _____ .

A. my own room B. own room C. my room D. room

12. Vera and George would like to have ______.

A. own house B. an own house C. their own house D. an house

13. Minh cut _____ while he was shaving this morning.

A. him B. himself C. herself D. x

14. I don’t want you to pay for me. I’ll pay for _____.

A. me B. yourself C. myself D. mine

15. It’s our own fault. We blame ______.

A. ours B. us C. ourselves D. our

16. Nam and Lili stood in front of the mirror and looked at ______.

A. each other B. themselves C. them D. herself

17. They stood face to face. They looked at ______.

A. each other B. themselves C. them D. together

18. Domestic cats often show loyalty to their owners by leaving freshly killed frey such as birds for ____to find.

A. they B. he C. them D. their

19. The united states and Canada have many trade agreements that benefit _____.

A. one the other B. other C. other one D. each other

20. Wolves, which are known to travel in packs, both provide for and defend ______ through group cooperation.

A. himself B. themselves C. itself D. theirselves

21. A: I’d like to look at this shirt, please. B: Which ______ ,please?

A. one B. this C. ones D. it

22. James is very interested in mathematics and _______ applications.

A. its B. their C. them D. it

23. My picture is different from _______.

A. them B. theirs C. they D. themselves

24. He asked ______ to leave the office then.

A. our B. we C. us D. ours

25. You and ______ have to finish this before noon.

A. me B. my C. mine D.

1.The car was ______ to be seen.

A. somewhere B. nowhere C. anywhere D. everywhere

2.______ can change his way of thinking.

A. What B. Nowhere C. Nothing D. Not anything

3.I’m afraid she’s got _______ of the qualities we need for a promoter.

A. none B. nothing C. no D. neither

4.A: Which one would you like to have? B: _____ of them is OK, I think

.A. Both B. None C. Neither D. Either

5.No one is a better cook than his mother, _____?

A. is no one B. are they C. isn’t she D. aren’t they

6.Her car is more economical, but _____ is faster than_____ .

A. my / her B. mine / her C. it / hers D. mine /hers

7.All students in the school are free to join any club they wish or ______.

A. none B. not C. no D. without

8.Some people believe in ______ but ______ don’t.

A. them / the other B. themselves / another C. their / others D. themselves / others

9.I’m going to a wedding on Saturday. ______ is getting married.

A. A friend of mine B. A friend of me C. The friend of mine D. The friend of me

10. We went on holiday with some friends ______ .

A. of ours B. us C. our D. ours

11. I don’t want to share a room with anybody. I want _____ .

A. my own room B. own room C. my room D. room

12. Vera and George would like to have ______.

A. own house B. an own house C. their own house D. an house

13. Minh cut _____ while he was shaving this morning.

A. him B. himself C. herself D. x

14. I don’t want you to pay for me. I’ll pay for _____.

A. me B. yourself C. myself D. mine

15. It’s our own fault. We blame ______.

A. ours B. us C. ourselves D. our

16. Nam and Lili stood in front of the mirror and looked at ______.

A. each other B. themselves C. them D. herself

17. They stood face to face. They looked at ______.

A. each other B. themselves C. them D. together

18. Domestic cats often show loyalty to their owners by leaving freshly killed frey such as birds for ____to find.

A. they B. he C. them D. their

19. The united states and Canada have many trade agreements that benefit _____.

A. one the other B. other C. other one D. each other

20. Wolves, which are known to travel in packs, both provide for and defend ______ through group cooperation.

A. himself B. themselves C. itself D. theirselves

21. A: I’d like to look at this shirt, please. B: Which ______ ,please?

A. one B. this C. ones D. it

22. James is very interested in mathematics and _______ applications.

A. its B. their C. them D. it

23. My picture is different from _______.

A. them B. theirs C. they D. themselves

24. He asked ______ to leave the office then.

A. our B. we C. us D. ours

25. You and ______ have to finish this before noon.

A. me B. my C. mine D.

Ta có M =\(\dfrac{1}{3}xy\left(-3xy^2\right)^2\)=\(\dfrac{1}{3}xy.9x^2y^4\)=3\(x^3y^5\).Do đó phần hệ số là 3 và phần biến là \(x^3y^5\)

Gọi số dân ở 2 xã A và B lần lượt là a và b ( số dân)

Theo đề bài a+b=5857 và a+31=b-62

Từ a+b=5857 => a=5857-b => 5857-b+31=b-62 => b=2975 => a=2882

Vì số dân ở xã A tăng thêm 31 người, số dân của xã B giảm đi 62 người thì số dân ở 2 số bằng nhau

     Do đó:  Hiệu số dân ở hai xã A và B là:

                   62-31=31(người)

                Số dân ở xã A là

                   (5857-31):2=2923(người)

                Số dân ở xã B là:

                    5857-2923=2934(người)

Kiến thức: V–ing/ to V

Giải thích:

remember to V: nhớ phải làm gì

remember Ving: nhớ đã làm gì

Tạm dịch: Ai đó đã lấy chìa khoá của tôi. Tôi nhớ rõ là đã cất chúng cạnh cửa sổ và giờ không thấy đâu nữa.

Chọn D

1 i would rather ... unemployed than..... in that factory

A being/ work

B to be / to work

C be / work

D being / working

2 we looked everywhere but the intruder was nowher......

A to see

B seen

C to be seen

D having seen

3 no matter what peter said he could't make her ... his point

A to see

B see

C to be see

D have seen

4 the smiths wanted ..... their son every advantage . However , they now regret ...... him by providing too many material possession

A to give / having spoiled

B giving / having been spoiled

C to have given / to have spoiled

D being given / to have been spoiled

5 he'd perter .... chicken soup rather than ... milk

A having / having

B to have / drink

C have / drink

D had / drank

6 in my family , my sister and i take turns ......\

A doing the washing

B to do the washing

C doing the washer

D having done the Washing

tra loi giup mink vs