III. supply the correct form of word in bracket

1.she's beautiful with a....lovely... smile (love)

2.Each of my friends has..different.. character(differ)

3.Bell successfully demonstrated his ..invention..(invent)

4.You must read the following safety precaution..carefully..(careful)

5.She's always worried about the..safety..(safe)

6.Last year we had an..enjoyable...summer holliday(enjoy)

7.Children need to have a good..education..(educate)

8.Don't leave the light on.It wastes..electricity..(electric)

9.Vietnam has many..natural..resources (nature)

10.Everyone was..excited..after hearing that news (excite)

11.Don't be..foolish..and greedy.Please happy with what we have (fool)

12.The..recycling..program is very useful(recycle)

13.The Scouting Association is the largest..voluntary..youth organization in the world(volunteer)

14.We..will celebrate..the Lunar New Year Festival next month (celebration)

Bell..successfully..demonstrated his invention (success)

15."The Lost Shoe" is one of the..traditional.. stories I like best (tradition)

16.What is ..necessary... in learning words?( need)

17.I'll try my best to improve my English..pronunciation..(pronounce)

18.The town is becoming..noisy..(noise)

19.I like Lan very much because she's always..sociable..(society)

20.Bao and Khai take part in..different.. activities after school hours(difference)

21.Children need to have a good..education..(educate)

22.He did very..well.. in his study(good)

23.His parents are very..proud...of his intelligence(pride)

24.Fishing is an..activity..my father enjoys best(act)

25.Children need to have a good..education..(educate)

26.Nam thinks the food in this restaurant is...tasty...(taste)

27.Surface mail is much..cheaper..than airmail(cheap)

IV.Rewrite the second sentence so that it has a similar meaning to the first

1.he can touch the light because he is very tall

He is tall enough........to touch the light........

2."Please stop making noise",said Mrs.Lan

Mrs.Lan told me...to stop making noise....

3.Peter is tall.He can play volleyball(enough)

Peter is............tall enough to play volleyball............

4."Can you carry my heavy bags,please?"

She asked me..........to carry her heavy bags..........

5.I'm tall but you are taller(as...as)

I'm not..............as tall as you.............

6.The mother said to her son"Don't cry"

The mother told...........her son not to cry.................

7.There were a lot of flowers in front of my house

There used.........to be a lot of flowers in front of my house...........

8.Mr Pike isn't healthy.He can't travel around the world

Mr Pike isn't...........healthy enough to travel around the world..........

9."You should go to bed early,Tom.", Tom's mother said to him

Tom's mother said............to Tom he should go to bed early.............

10.I knew him last year

I have...known him for a year...

11.Lan loves to play badminton

Lan enjoys....playing badminton...

12."Please, help me with my exercise."Mai said to Lan

Mai asked Lan............to help her with her exercise............

13.He's too young to go to school

He is not............old enough to go to school............

14.We started living here fifteen year ago

We have.............lived here for fifteen years...........

15.He often went swimming in the river when he was a boy

He used..........to go swimming in the river when he was a boy............

16.She said to him,"Will you please open the window?"

She asked............him to open the window..........

17.She started learning English three years ago

She has............learnt English for three years...........

1. You take sugar in tea ,......don't you........?

2. Nothing went wrong,....did they......?

3.But you don't take it in coffee, ...do you....?

4. It is a pity Ann didn't come with us, ..isn't it..?

5. The lift isn't working today ,....is it......?

6. There used to be trees here ,..didn't there..?

7. It never works very well,..does it..?

8. There isn't any point in waiting ,..is there....?

9. There was no panic ,.was there..?

10. He hardly comes now ,..does he..?

11. Open the door ,.will you..?

12 .She left the bag here ,....didn't she...?

Complete the conversation.
A : what is your hobby ?
B : I enjoy collecting stamps.
A : when did you start the hobby ?
B : I started my hobby when (1) ___I was 9___.
A : How can you find stamps ?
B : I (2) ___buy them from the post office___.
A : why do you enjoy this hobby ?
B : I (3) ___find it interesting and relaxing___.
How about you ? what (4) ___is your hobby___ ?
A : I don't like collecting stamps. I love (5) ___soccer___.

\(\left(n^4-2n^3+5\right)=n^3\left(n-2\right)+5\) chia hết cho  n -2

=> 5 chia hết cho n -2

n-2 thuộc U(5) = {1;5}

=> n thuộc { 3;7}

Vậy tập hợp có 2 phần tử

\(=\frac{2^{10}}{2^{10}}-\frac{2^5.\left(3.5\right)^3}{\left(2.3\right)^3.\left(2.5\right)^2}=1-\frac{2^5.3^3.5^3}{2^3.3^3.2^2.5^2}=1-\frac{2^5.3^3.5^3}{2^5.3^3.5^2}=1-5=-4\)

chia v

1. He (wash) washes the dishes everyday.

2. We (play) are going to play volleyball tomorrow

3. She (not watch) didn't watch TV last night.

4. Are they (go) going to school now?

dung tu goi y de viet thanh cau

1. I/not like/read books

=> I don't like reading books.

2. He/be/good/soccer/player.He/play/soccer/good.

=> He is a good soccer player. He plays soccer well.

3. Mai/prefer/meat/fish.

=> Mai prefers meat to fish.

4 They/prefer/listen/music/watch/TV

=> They prefer listening to music to watching TV.

5 He/do/homework/last night.

=> He did his homework last night.

6 Hoa/not go/school/yesterday/because/she/be/sick.

=> Hoa didn't go to school yesterday because she was sick.

đọc trả lời câu hỏi

In 1960s, most people in Vietnam did not have a TV set. In the evening, the neighbors gathered around the TV. They watched until the TV programs finished. The children might play with their friends and the older people might talk together. Vietnam is different now. Many families have a TV set at home and the neighbors don’t spend much time together.

Questions:

1. Did most people have a TV set in 1960s?

……………………………No, they didn't………………………………………

2.How long did they watch TV programs?

……………………………They watched until the TV programs finished……………………………

3. What might the children do?

……………………………The children might play with their friends…………………………………

4. What might the older people do?

……………………………The older people might talk together……………………………………

\(\left(x+1\right)^3=-343\)

\(\left(x+1\right)^3=\left(-7\right)^3\)

\(x+1=-7\)

\(x=-8\)

Rearrange the sentences to make a suitable conversation by writting the correct number in the box.

Those are posters of my favourite singers.

Singers ? They're very nice. Thank you.

They're my favourite T-shirts.

Hi. Tell me about your collections. what are these ?

Oh, they're interesting. And what are those ?

Arrange the words in the correct order.

The/ looks/ photo /in/ girl /the/ happy. /

=> The girl in the photo looks happy.

building/ big /the /There's/ in/ background./ a /

=> There's a big building in the background.

​Johnny /Depp./ the/ looks/ like/ to /left /The/ man /

=> The man to the left looks like Johnny Depp.

corner./ top /There's/ sign /right-hand/ the/ a /in /

=> There's a sign in the top right-hand corner.

woman/ in/ red /The /is/ a /dress /model./ the /

=> The woman in the red dress is a model.

man/ short/ blonde /with/ a/ The/ singer./ hair /famous /is/ young/

=> The young man with short blonde hair is a famous singer.

The/ a/ is/ boy /left /to /photo./ the /taking /

=> The boy to the left is taking a photo.

time./ good/ having/ though/ looks/ It /everyone /a /as /is /

=> It looks as though everyone is having a good time.

Each sentence below has a mistake. Find and correct them.