-He is a stamp collector.

Chúc bạn học tốt ^^

1, Nam looks brown . He was on holiday last week . He (get) got sunburn.

2, Getting plenty of rest is very good. It (help) helps you to avoid depression.

3, The Jananese (eat) eat a lot of fish so they are very intelligent.

4, Eating carrots regularly (help) helps you see better.

5, It is very hot outside . Please (wear) wear a sun hat when you go out.

6, Do more exercise and you (feel ) will feel healthier .

7, I don ' t want ( be ) to be tired tomorrow so I go to bed early.

8, People who (smile) smile more are happier and they live longer.

9, He (keep ) keeps coughing and sneezing because of flu .

10, (Stay) Stay outdoors and do more exercise to be healthy !

11, I promise that I (watch) will watch TV less and practise reading more.

12, How many calories do we (need) need to do plysical activities every day ?

13, They ( not be ) aren't usually sick thanks to their healthy diet.

1. They put the ...........on the floor , between the armchair and the couch

A.coffee table. B.chair. C.bed. D.shelf

2. The woman...........the floor of the office three times a day

A.to clean. B.cleaning. C.cleans. D.cleaned

3. Young children do not understand that many...........objects are dangerous

A.household B.home C.house D.poster

4. Don't let your little brother play with ballpoint pens . They can ...........him

A.injure B.destroy C.take D.put

5. The children are old enough to take care of ...........

A.ourselves B.himself C.myself D.themselves

6. It's easy to find my school. It's ...........the ABC bank

A.next B.opposite C.between D.under

7. You''ll .....................cook dinner yourself

A.must B.have to C.can D.may

8. The lighting fixture is ...........the dinner table

A.under B.in front C.beside D.above

9. ...........the kitchen there is a table and four chairs

A.In B.At C.On D.From

10. He worked hard ...........he could pass the final exam

A.but B.and C.so D.so that

11. Tuan isn't inside . I think he's ...........

A.outside B.in C.out of D.behind

12. You must cover all ...........sockets

A.electrical B.electric C.electricity D.electrician

13. Staffs ...........smoke when serving customers

A.must B.must not C.have to D.don't have to

14. Playing with one ...........can start a fire

A.matches B.march C.match D.map

15. It is safe ...........medicine in locked cupboard

A.putting B.to put C.put D.puts

16. Nam likes playing volleyball ...........he hates playing badminton

A.but B.and C.so D.although

17. You have to keep all dangerous object ...........children's reach

A.from B.for C.out of D.of

18............the right side of the room,there is a window

A.On B.At C.With D.In

19. The calendar is ...........the clock,...........the picture and the lamp

A.on/next to B.under/between C.behind/between D.above/on

20. You should go to the ...........to buy some fish and vegetables

A.office B.market C.theater D.stadium

 \(85=17.5\)

 Ta có:

\(a=4^0+4^1+4^2+4^3+...+4^{96}+4^{97}\)

\(=4^0+4^1+4^2\left(4^0+4^1\right)+...+4^{96}\left(4^0+4^1\right)\)

\(=\left(4^0+4^1\right)\left(1+4^2+...+4^{96}\right)\)

\(a=5\left(1+4^2+...+4^{96}\right)\)nên \(a\) chia hết cho  \(5\)

Lại có: \(a=4^0+4^1+4^2+4^3+...+4^{96}+4^{97}\)

\(=4^0+4^2+4^1\left(4^0+4^2\right)+4^4\left(4^0+4^2\right)+4^5\left(4^0+4^2\right)+...+4^{94}\left(4^0+4^2\right)+4^{95}\left(4^0+4^2\right)\)

\(a=17\left(1+4^1+4^4+4^5+...+4^{94}+4^{95}\right)\)nên \(a\) chia hết cho \(17\)

Mà \(\left(5;17\right)=1\)

Vậy, ......

=> The hotel in California wasn't as good as the other one in New York

1. Lan wants to buy some new shirts from the supermarket.

=> What does Lan want to buy from the supermarket?

2. Lan needs to go to the railway station.

=> Where does Lan need to go?

3. It takes Hoa fifteen minutes to go from her house to the school.

=> How long does it take Hoa to go from her house to the school?

4. Hoa needs to buy a phone card because she often phones her parents.

=> Why does Hoa need to buy a phone card?

5. It is one kilometer from Nam's house to his school.

=> How far is it from Nam's house to his school?

6. Yes, I want to post a letter to my pen pal in England.

=> Do you want to post a letter to your pen pal in England?

7. The souvenir shop is in front of the bookstore.

=> Where is the souvenir shop?

8. We go to Ha Noi by train.

=> How do you go to Ha Noi?

9. There are over 100 stamps in Ba's collection..

=> How many stamps are there in Ba's collection?

10. I'd like to buy some postcards.

=> What would you like to buy?

1. The movie will start at seven thirty p.m and finish at nine p.m -> The movie will last for 2 hours.

2. I do more homework than my younger sister -> My younger sister does less homework than I do.

3. The magazine is on the newspaper -> The newspaper is under the magazine.

4. I often walk from my house to the zoo in fifteen minutes -> It often takes me fifteen minutes to walk from my house to the zoo.

5. My mother like walking better than riding her bicycle -> My mother prefers walking to riding her bicycle.

6. It takes them two hours to water the flowers -> They spend two hours watering the flowers.

· Tên: Tokuda Satoru

· Lớp: 7 -> 8

· Link của nick: click vô ava ấy <3