/b/ : back, bucket, boot, bowl, beard, breast

/p/ : palm, pulbic hair, penis, pillow. pillowcase

1 where .....do....... you (live )....live...?

I ( live ) ...live.......... in Hai Duong town.

2 what ...is...... he ( do ) ..doing...........now ?

He ( water ) ....is watering........... flowers in the garden.

3 what ....is....... she ( do ) .....doing............?

She ( be ) ...........is.............a teacher.

4 where ....are............. you ( be ) from ?

5 what time ....do............ they ( get up ) ............get up................?

6 what .......do..... they ( do )....................do...........in the winter?

7 her favouriter subject ( be ) ..............is........ English ?

8 Now . my brother ( like ) ............like.........eating bananas.

9 look! aman ( call ) ......is calling.......... you .

\(\Rightarrow\dfrac{5}{4}-\dfrac{1}{4}x=\dfrac{3}{10}x-\dfrac{2}{5}\)

\(\Rightarrow\dfrac{5}{4}+\dfrac{2}{5}=\dfrac{3}{10}x-\dfrac{1}{4}x\)

\(\Rightarrow\dfrac{33}{20}=\dfrac{11}{20}x\)

\(\Rightarrow x=\dfrac{33}{20}\div\dfrac{11}{20}\)

\(\Rightarrow x=3\)

1. She never let you cook the meals,......?

a/ didn't she b/ doesn't she c/ did she d/ was she

2.You never play computer games after school, ........?

a/ do you b/ don't you c/never you d/not you

Để ( x - 1 ) ( x + 12 ) < 0

=> x - 1 và x + 12 khác dấu mà x + 12 > x - 1

=> x + 12 > 0 => x > -12

=> x - 1 < 0 => x < 1

=> -12 < x < 1

( x - 12 ) ( x - 1 ) > 0

=> x - 12 và -x - 1 khác dấu

+ x - 12 > 0 => x > 12

-x - 1 > 0 => x > - 1

=> x > 12

+ x - 12 < 0 => x < 12

-x - 1 < 0 => x < -1

1. When Nicola first started working for British Airways, she was

A.a manager B. an air hostess C. a pillot

2. Nicola does most of her work

A. in the office B. in aeroplanes C. in meetings

3. Most days, Nicola starts work at

A. 8 a.m B. 1 p.m C. 4 p.m

4. At the begining of each day, Nicola

A. goes to a meeting B. talks to air hostesses C. works with her computer

5. What does Nicola like best ?

A. flying B. working in the office C. helping people

6. The first thing Nicola does after a long journey is

A. go to bed B. have a meal C. go to the office

7. Nicola would like to

A. stay in the same job B. stop travelling C. ear more money

1.Linda used to ____ moring exercice when she got up early.

A.did B.does C.doing D.do

2.My mum ______the bus to work eveyr day,but I cycle

A.catches B.drives C.goes D.runs

3.You should look right and left when you go _______the road

A.down B.across C.up D.along

4.Bus is the main public _____in Viet Nam

A.travel B.tricycle C.transport D.vehicle

5.The play was so boring ._____,An saw it from beginning to end

A.Therefore B.Despite C.however D.Although

6.She's sure thet they will find the film _____.

A.entertaining B.entertain C.entertainment D.entertained

7.-"Do you like seeing a film?"-"________________"

A.No,I don't like it at all B.Sure.What film shall we see?

C.Who is in it? D.I'm sorry .I can't

8.________being frighttened by the images,Lan still liked the film so much

A.In spite B.Despite C.Although D.Nevertheless

9._________is La Tomatian celebrated?-Every August.

A.Where B.Why C.When D.Which

10. My father liked the __________of that singer

A.perform B.performer C.performance D. performing

11.Does your bike ever _______down on the way to school.

A.break B.take C.do D.turn

12.I________go on foot when I was in primary school

A.used to B.break C.can D.may

13.Give a________before you turn left or right

A.signal B.turn C.sound D.sign

14.A lot of dancers go to Rio de Janeiro to______the Carnival

A.attend B.join C.perform D.appeare

15._________the film was grpping, Tom slept from beginning to end

A.Therefore B.Despite C.Howener D.Although

Ta có 3n - 1 - 3n chia hết cho n

=> -1 chia hết cho n

=> n \(\in\) Ư( -1 ) = -1, 1

Ta có 2n + 1 - 2 ( n + 2 ) chia hết cho n - 2

=> 2n + 1 - 2n - 4 chia hết cho n - 2

=> -3 chia hết cho n - 2

=> n - 2 \(\in\) Ư (-3) = -3, 3