Hãy kể tên 13 thuộc địa Anh ở Bắc Mĩ

Giải phương trình

1) 2x+1=15-5x

2) 3x-2=2x+5

3) 7 (x-2)=5 (3x+1)

4) 2x+5=20-3x

5) -4x +8=0

6) x-3=10-5x

7) 3x-1=x+3

8) 2(x+1)=5x-7

Một vật có khối lượng 1kg chuyển động với vận tốc 10m/s đến qua chạm vật thứ 2 có khối lượng 3kg đang nằm yên trên mặt nằm ngang. Biết rằng sau khi qua chạm 2 vật dính vào nhau và chuyển động với cùng vận tốc. Xá địh vận tốc của vật sau va chạm.

Giải hộ em từng bước để dễ hiểu ạ^.^

1.The weather mny get much worse tomorrow
=> he told us
2.I think you should cut down on your smoking.
=> the doctor told me
3.We havent been to the art gallery for ages
=> they said
4.I always eats lots of fresh fruit and salad
=> she said
5.I'll see you tomorrow john
=> Peter told me
6.I like this hotel very much
=> he said
7.I left my umbrella here two days ago
=> sunsan told them

8.I'm taking FRENCH this semester=>
9.She's staying there ROR TWO WEEKS=>
10.I like english VERY MUCH=>
11. she is worried about english SIX YEARS AGO=>
12. they live IN THE CITY CENTRE=>
13. Last night i WENT TO A DISCO WITH MY FRIEND=>
14. mr roberston came to the party alone. (Who)=>
15. I like red blouse, not the blue one (which)=>
17. She felt better afer she took a nap (how)=>
18. She talked to him for an hour (how long)=>

1.Dùng hiện tại tiếp diễn để:
---->diễn tả 1 kế hoạch đã được sắp xếp trước.
Exercise:
Exercise:
Exercise:
2."be going to+ infinitive"
----> diễn tả 1 dử định hay 1 quyết định sẽ làm trong tương lai gần(không được sắp xếp trước)
* Go/come không dùng với thì này mà phải dùng thì hiện tại tiếp diễn
Exercise:
Exercise:
Exercise:
------> diễn tả 1 dự đoán dựa vào tình huống hay bằng chứng ở hiện tại.
Exercise:
Exercise:
Exercise 1. Choose the correct option in brackets.
1.
2.
3.
4.
5.
Exercise 2. Put the verbs in the brackets in the present progressive or be going to.
1.
2.
3.
4.
5.
Exercise 3. Complete the exchanges, using the present progressive or be going to.
1.
2.
3.
4.
5.

1. He said it was right_______should be beg.
A. Blind
B. Rhe blinds
C. The blind
D. The blindness
2. The swiss_______thrifty and hard working.
A. Is
B. Are
C. Has
D. Have
3. Mary used to_____a motorbike,but last year she sold it and bought a car.
A. Ride
B.drive
C. Go
D. Live
4. When i was a child,my father used to____me to school
A. Go
B. Write
C. Take
D.play
5. Her father are proud_____her success.
A. To
B.on
C. Of
D.with
6. Everything is different____what the advertisement says.
A. From
B. With
C. At
D. Of
7. She___go to the theatre when she was in London.
A. Didn't used to
B. Didn't use to
C. Used not to
D. Isn't used to
8. Sam has just left when we____there
A. Get
B. Have got
C. Got
D. Were getting
9. My friend-Hoa wants to become a professionl_____.
A. Photography
B.photograph
C. Photographic
D. Photographer
10. The havery rain prevented us______going out.
A. With
B. To
C. In
D. From
11. He used_____as a typist.
A. To work
B. Work
C. Working
D. To working
12. My father worked as a tourist guide______1989 to 2000.
A. In
B. On
C. From
D. At
13. When my father was young,he______get up early to do gardening
A. Was used to
B. Use to
C. Uesd to
D. Got used to
¤ Rewrite the following sentences, using "used to + infinitive"
1. Dennis gave up smoking rwo years ago.
=>
2. I went to the church when i was a child.
=>
3. Mr. Michael grew tulips but he does't anymore.
=>
4. My father smoked a lot of cigarettes a day, but now he give up smoking.
=>
5. Danis gave up smoking two year.
=>
6. We often went fishing on this river when small childern.
=>
7. They often went Vubg Tau at the weekend.
=>
8. He worked at night when he worked in the suprermatket.
=>
9. He took a great interest in his piano lesson
=>
10. He ate a lot of candies when he a child.
=>
11. He worked hard when he was young.
=>

1. John has just driven them to the hospital.(Passive voice)
=>
2.they have just built a new primary school in this area.(Passive voice)
=>
3. The teacher has told me about the changes of the timetable.(Passive voice)
=>
4. Nobody has used the building before. (Hasn't)
=>
5. Has someone decorated my dinning room?(Passive voice)
=>
6.people have discovered a new source of energy.(Passive voice)
=>
7.people have changed the method of teaching languages since 1998.(Passive voice)
=>
8. They have already a new bridge over the canal(Passive voice)
=>
9. They don't go to the church every sunday any longer. (Used to)
=>
10. My father smoked a lot of cigarettes a day, but now he gives up smoking. (Used to)
=>
11. We often went fishing on this river we were small children. (Used to)
=>
12.he ate a lot of candies when he was a child. (Used to)
=>
13.he took a great interest in photography. (Used to)
14. Phong did his homework VERY QUICKLY. (Make question for the underlined phrase)
=>
15.he bought the laptop at the super market. (Make question for the underlined phrase)
=>
16.i didn't write her BEACAUSE I DIDN'T HAVE HER ADDRESS. (Make question for the underlined phrase)
=>
17.Many and long are studing CHEMIST AND GEOGRAPHY now. (Make question for the underlined phrase)
=>
18.Mai did her morning exercise IN THE YARD. (Make question for the underlined phrase)
=>
19. She has THREE BROTHERS. (Make question for the underlined phrase)
=>
20.My mother goes shopping TWICE A WEEK. (Make question for the underlined phrase)
=>
21. He went to school ON FOOT. (Make question for the underlined phrase)
=>
22. They no longer played teenis.
=>They used
23. Mr. Vy drank some lemonade.
=>What
24. My father has taught Physisc at Chu Van An school for two years.
=>Physics
25. They have cancelled the meeting.
=> The
26.They have already sent two million books to the America.
=> Two
27. No one has used this computer for a long time.
=>
28. They have taken her to hospital.
=>

1.The man is a compute expert. You were talking to him.

=>the man

2.nobody has invited her to the party.

=>she

3.they have taken her to the hospital.

=>she

4.that is the man. He bought her car last month. (Who)

=>

5. I like the girl. I met her at the party last night. (Relative pronoun)

=>

6. Is that the compute? Your father bought is lats month. (Which)

=>

7. Somebody has just cleaned the room.

=> the room

8. Mr. George has taught physics for twety year. (Physics)

=>

9.have you finished all you work yet? (passive voice)

Trả lời giúp em đi ạ