Đề bài: môt người đi từ A đến B hết 70 giây khi hết dốc xe đi tiếp môt quãng dài 70m trong 40 giây, tính vân tốc trung bình của xe trên quãng đường dốc A đến B, trên quãng đường nằm ngang biết quãng đường AB dài 110m

giúp mk nha mn mk đg cần gấp

II. Finish the sentence

1. a friend of yours is going to take a photo in a private house -> you should ...........

2. a friends of yours is going to visit the US. It's winter there now ->

3. a friends of yours forgot to take off his shoes before entering a temple->

4. your neighbor is having a party at 11 p.m they are playing loud music ->

5 a friend of your is drinking with his mouth full of food ->

6 a friend of yours put his chopsticks straight up in his rice bowl ->

7. your neighbor is singing karaoke at noon on a hot day->

I. Have to /has to or had to

1. Bill started work at 6 a.m ->he/get ........................................... up at 5

2. Kate can't stay for the whole meeting-> she/leave ...................... early

3. I don't have much time ->I/hurry ..................

4. I broke my arm last week -> you/go ...................... to the hospital ?

5. there was a lot of noise from the street -> we/lose............................ the window

6. I'm afraid I can't stay long -> what time (you/go) ........................ ?

7. How is paul enioying his new iob -> he / travel .................... a lot ?

8.My mother wasn't at home yesterday -> I/do....................... all the housework.

3. Work in groups. reply to the posts in 1 . Write down your replies.

giúp mk nha mn

phần communication bài 3, viết hô mk 1 đoan khoảng 10 dòng nha mn

bài 1. tìm và sửa lỗi sai

1. Nam said he wasn't interested in work for a large company.

2. I'm agree with you ; we must practive more if we want to speak well.

3. Mary and her sister studied biology last year, and so does iean.

4. let him put the coffee table on the middle of the room.

giúp mk nha mn

1. I like traditional dances more than modern ones.(prefer) ->

2. Traditional dances are not as difficult as modren ones (easy) ->

3. the workers in Viet Nam have to work more hours than the works in England .(less) ->

4. His schoolbag is different from my schoolbag ->

5. he last saw her five months ago ->

6. when did you start learning english ? ->

7. her pen is not the same as mine. ->

giúp mk nha mk đg cần gấp lắm

Bài 1 tính

a, (\(\dfrac{1}{2}\) x - 3)\(^2\) b, (5x+1)\(^2\) c, (3-4x)\(^2\) d, (2-\(\dfrac{1}{2}\)x)\(^2\)

e, (3x-1) (3x+1) g, (2a-3)\(^2\) h, (4+3x)\(^2\) i, (7- 10x) (7+10x)

giúp mk nha moi người