1. She_visited__(visit) her grandma lastweekend.

2. Bill_has arrived__(arrive) here in 5days

3. My father never _drinks__(drink) coffee in the evening

4. I__had_(have) a day of yesterday

5. I__knew_(know) how to use the computer 5year ago

6. He can_sing__(sing) and_dance__(dace) allday

7. They enjoy_watching__(watch) cartoon

8. I__travel_(travel) to work 5day a week

9. The student_has__(have) a picnic once a school year

10. They__tought_(teach) English 3year ago. Now they_are working__(work) for a bank

11. He promise he_will come___(come) tomorow

12. Student should_revise__(revise) lesson at home

13.we(not/go)____ to the show Lan night

( câu này sao thế -.- )

14. I_visited__(visit) than 3year ago

15. Lan_didn't finish__(not/finish) the repot yerteday.

1.He has been an English teacher for 20 year.

(-)He hasn't been an English teacher for 20 year.

(?) Has he been an English teacher for 20 year?

2.we are having an english test next Monday

(-) We aren't having an English test next Monday

(?) Are we having an English test next Monday?

3.the people were friendly

(-) The people weren't friendly

(?) Were the people friendly?

3.liz enjoyed her summer vacation last year

(-) Liz didn't enjoy her summer vacation las year.

(?) Did Liz enjoy her summer vacation last year?

4.Nam wwill be absent from school tomorrow

(-) Nam won't be absent from school tomorrow.

(?) Will Nam be absent from school tomorrow?

5.she goes to the gym twice a week

(-) She doesn't go to the gym twice a week.

(?) Does she go to the gym twice a week?

6. My brothe has ever spent his summer holiday in England

(-) My brother hasn't ever spent his summer holiday in England.

(?) Has your brother ever spent his summer holiday in England?

1. How many rooms your does house have?

2.There ..are..( be ) twenty - nine classrooms in my school.

3.Is Thu's bag small ? - No, it itsn't

4.Minh ...gets.. dressed and ...washes.. his face at six - forty.

5.I..am. in grade 12 and my brother ..is. in grade 7.

6.What time do your children.go...( go ) to school

7.They..live...( live ) on the floor.

8.Your father...works..( work ) in a factory in the city.

1. This picture is more expensive than that picture

2. Mr.Brown speaks the same language as Mrs. Hoa

1. smallest

2. goes

3. are

4. policeman

5. did

6. bigger

7. how

a, \(Q=M-N=x^2+7xy+5y^2-4x+8y+x^2-5xy-5y^2+4x+16\)

\(=2x^2+2xy+8y+16\)

b, \(Q=2x^2+2xy+8y+16\)

\(=2x\left(x+y\right)+8y+16\)

\(=2x\left(x+y\right)+8\left(y+2\right)\)

\(=8x+8\left(y+2\right)\) ( do x + y = 4 )

\(=8\left(x+y+2\right)=8.6=48\)

Vậy...

The test was very long. I couldn't finish it in an hour => The test was so long to finish it in an hour.

1. Read the text. Choose the right words and write them on the lines

Whales

Most whales today (1) ............... grey, blue or white. But many, many thousands of years (2) ................... , whales looked very different from the whales (3) ................. we cam see today. Those whales could walk! (4) ............... then, they have grown bigger. They have also lost their legs and they (5) ............... live out of water now. But whales are very different from fish because they need air. There are two kinds (6) ............... whales - whales that have teeth and whales that don't have teeth, but (7) .............. whales can swim very fast. A whale (8) ............... its tail up and down to push its body through the sea and some love jumping out of the water too. Whales sometimes also (9) .......... Their songs are very strange and very loud. (10) .......... other animal is noisier than a whale! Whales are also the largest and longest animals (11) .............. the world.

1.are / is / were

2.once / ago / them

3.what / that / who

4.Since / Suddenly / Soon

5.weren't / haven't / can't

6.from / for / of

7.any / all / every

8.move / moves / moving

9.sings / sing / sung

10. No / Nothing / Not

11.at / on / in

1. f

2. g

3. b

4. e

5. a

6. c

7. d