• "How did Jane start collecting, and when?"

tiếng anh lớp mấy v

hello

bn hỏi gì vậy bn?

ai hỏi

ai hỏi

hello

Ủa là Tân Sơn Nhứt chứ kh pj Tâm Sơn Nhất ha

1 Only after he retired did he entertained the idea of taking a vacation

2 Hardy had he set off in his new car when he encountered an accident

3 Not until I arrived at home did I realized how dangerous the situation had been

4 No longer does he plays in an orchestra

5 Never would they permit him to enter their house again

6 Rarely are the patterns reproduced exactly as depicted

7 Under no circumstances will Miss Rose be considered for the job

8 Never have I heard such nonsense in my entire life

9 No sooner had we stepped through the door than the phone started ringing

10 On no account should a doctor betray patient confidentially

1. Teenagers now seem to behave more violently than in the past.

2. She has a physical handicap; however, she has become a successful woman.

3. My brother is not interested in playing board games.

4. She is passionate about talking with her mom about classical music.

5. The more you do yoga, the fitter you will get.

6. John failed the exam for his laziness.

7. They are getting more and more passionate.

8. She is hooked on walking under the rain.

9. It rained heavily, so we couldn't keep on cleaning.

10. You must show up; otherwise, the party won’t take place.

11. Could you carry my suitcase for me, please?

12. There was a traffic jam; however, we managed to arrive at the train station on time.

13. He had a more fascinating idea than hers.

14. I am crazy about checking Facebook every morning.

15. You must watch TV every day, or you won’t know much of the hottest news.

1/ Teenagers now seem to behave more violently than they did in the past.

2. She has become a successful woman, however, she has a physical handicap.

3. My brother is not interested in playing board games.

4. She is passionate about talking with her mom about classical music.

5. The more yoga you do, the fitter you will get.

6. John was failed for the exam because of his laziness.

7/ They are getting more and more passionate all the time.

8. She is hooked on walking under the rain.

Để kiểm tra xem số $1999$ có phải là số nguyên tố hay không, ta thường kiểm tra xem nó có chia hết cho bất kỳ số nguyên tố nào từ $2$ cho đến căn bậc hai của nó ($\sqrt{1999}$) hay không.

• Ta có $\sqrt{1999} \approx 44.71$.
• Các số nguyên tố nhỏ hơn $44.71$ là: $2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43$.
• Thực hiện phép chia thử:
• • $1999$ không chia hết cho $2, 3, 5$ (dễ dàng thấy).
  • $1999 : 7 \approx 285.57$ (dư).
  • ...
  • $1999$ không chia hết cho bất kỳ số nguyên tố nào trong danh sách trên.
• Kết luận: Số $\mathbf{1999}$ là một số nguyên tố.

Những số nguyên tố là những số tự nhiên lớn hơn hoặc bằng 2 và chỉ chia hết 1 với chính nó.

Yes I do. Because reading ( books ) is a good habit and they help us know more useful information in that one. We can read them at night/ in the free time. Sometimes, some one ( - books ) are not good for us. In my opinion, almost ( book ) are very useful, but some one is useless, because it has many harmful information.

Phong asked Peter if he liked reading

1 am => were

2 won't invite => don't invite

3 won't => wouldn't

4 Unless => if

5 will boil => boil

6 had => to have

7 asks => ask

8 unless => if

9 set => sets

10 not => doesn't rain

Exercise 15. Rewrite the following sentences. Viết lại các câu sau.

1. If we send invitations, our friends will come to our party.

Unless → we send invitations, our friend won't come to our party____________________________________________________________________

2. Hurry up, or you will be late for the flight.

Don’t ____be late, or you will be late for the flight_________________________________________________________________

3. I'm not tall, so I can't join the basketball club.

Were → ___I tall, I could join the basketball club__________________________________________________________________

4. Unless it rains, I won't need an umbrella.

If → _____it doesn't rain, I won't need an umbrella________________________________________________________________

5. I will go to see the doctor when I'm sick.

If → ______I am sick, I will go to see the doctor_______________________________________________________________

6. When you touch fire, you get burned.

If → ______you touch fire, you get burned _______________________________________________________________

7. Work harder, and you will get a promotion.

If → ____you work harder, you will get a promotion_________________________________________________________________

8. My sister doesn't like parties, so she won't go there.

→ _____If my sister liked parties, she would go there________________________________________________________________

9. If you leave, I won't call the police.

Should → ________you leave, I won't call the police_____________________________________________________________

10. If you ate less meat, you would be healthier.

Were → _______you to eat less meat, you would be healthier_____________________________________________________________