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1 tháng 6 2019

awake --......awoke.......

bite --.....bit.......

blow --......blew.......

forget --......forgot.......

28 tháng 12 2021

1. C

2, C

28 tháng 12 2021

C

C

7 tháng 8 2023

12. Tom's report was written last week.
13. Were they told the news?
14. This room was cleaned yesterday.
15. This house was bought by me last year.
16. His newspapers were lost yesterday.
17. Some food was bought by me for the party yesterday.
18. This factory was not built by them.
19. My house was built by them in 2005.
20. The accident was caused by the drunk driver.
21. This room was cleaned by somebody.
22. The city was destroyed by the storm last night.
23. Tom was not allowed to go out by them.
24. The windows were broken by the boy.
25. Lots of houses were destroyed by the fire 2 days ago.

10 tháng 8 2023

3. By whom were those windows being painted ?

5. Dinner wasn't being eaten (by them)

6. The gate was being painted by us

7. He wasn't being driven home

8. The dogs were being fed by him

9. Were there poems being read by her

10. The floor was being clean when I arrived

11. The homework was being done by her at that time yesterday.

12. A song was being sung at the contest by Nina

13. An important report was being written by me

14. The dishes were being washed by us when you called

15. An english course was being attended by me at this time last year

7 tháng 8 2023

1. This car was bought by my mom.

2. His houses were painted by him.

3. English was taught to me by Mr. Linda.

4. The prize wasn't won by her.

5. My laptop was broken by my sister.

6. My children were sent to an English camp last summer.

7. The thief was caught by her.

8. Was a letter sent by him?

9. The report was finished by the clerk yesterday morning.

10. The children weren't looked after by them.

11. A gift was sent to her father by Sam.

5 tháng 9 2018

Đáp án A.

Khi một vật được ném lên, độ cao của vật tăng dần nên thế năng tăng →động năng giảm.

10 tháng 8 2023

Chuyển sang câu bị động các câu sau:

1. Our English teacher may give an exam to day.

→ The exam may be given by our English teacher today.

2. You may forget the rules quickly.

→ The rules may be forgotten by you quickly.

3. Janet used to study the lessons repeatedly.

→ The lessons used to be studied repeatedly by Janet.

4.Ben must win the competition.

→ The competition must be won by Ben.

5.The doctor can't persuade her.

→ She can't be persuaded by the doctor.

6. The students have to learn History.

→ History has to be learned by the students.

7. Tom must open the window.

→ The window must be opened by Tom.

8. How can we solve that problem?

→ How can that problem be solved by us?

9. You must not touch this button during the experiment.

→ This button must not be touched by you during the experiment.

10. We should call the police at once after the accident.

→ The police should be called at once by us after the accident.

11. You shouldn't make fun of the poor.

→ The poor shouldn't be made fun of by you.

12. My sister used to open a shop 3 years ago.

→ A shop used to be opened by my sister 3 years ago.

13. We have to end this quarrel.

→ This quarrel has to be ended by us.

14. You ought to help her.

→ She ought to be helped by you.

15. You must keep the secret forever.

→ The secret must be kept by you forever.

10 tháng 8 2023

Bạn ơi còn on không ạ mình có câu hỏi này ấy ạ

20 tháng 5 2017

Đáp án D.

 Khi một vật được ném lên, độ cao của vật tăng dần nên thế năng tăng. Trong quá trình chuyển động của vật từ dưới lên, trọng lực luôn hướng ngược chiều chuyển động nên nó là lực cản, do đó trọng lực sinh công âm.

20 tháng 2 2019

Đáp án: C

Khi một vật được ném lên, độ cao của vật tăng dần nên thế năng tăng. Trong quá trình chuyển động của vật từ dưới lên, trọng lực luôn hướng ngược chiều chuyển động nên nó là lực cản, do đó trọng lực sinh công âm.