Một ô tô trong 1/2 giờ đi được 21 km . Hỏi ô tô đó đi trong 1,5 giờ được bao nhiêu km?

lim┬(x→1/2)⁡ ( (2x^2-3x+1).tan⁡πx ) lim⁡ sin⁡(π√(n^2+n))^2

Hãy phân tích tư tưởng yêu nước trong bài Chiếu Dời Đô

VII. Reorder to make meaningful sentences 1. Feed / if / are / you / home / away / will / Who / pets / your / you ?  …………………………………………………………………. 2. Use /when / kid / a / to / did / play / What / you / were / you ?  …………………………………………………………………………………………………………… 3. This / was / When / building / constructed ?  …………………………………………………………………………………………………………….. 4. We / don’t / out / some / for / Why / fresh / go / air?  …………………………………………………………………………………………………………….. 5. Mr. Smith / has / to / city / the / moved / long / How ?  ………………………………………………………………………………………………………….. 6. Accept / will / offer / Which / job / you ?  ………………………………………………………………………………………………………. 7. Father / sports / does / often / play / How / your ?  ……………………………………………………………………………………………………….. 8. You / did / your / on / much / spend / How / vacation ?  ……………………………………………………………………………………………………… help me T.T

Bài 6: Chia độngtừ theo thì hiện tại hoàn thành. 1. The Sound of Music (become) …………………………a timeless film classic. 2. Laura never (win)……………………………………. a beauty contest. 3. I (listen) …………………………to the new Tom Waits CD yet. 4. (you see)…………………… any good films recently? 5. The population of India (increase)…………………………. since 1992. 6. You ever (write)………………………..a love letter for Valentine’ Day? 7. You ever (meet)………………………… a famous person. 8. We already (see)……………………. the film at home. 9. Keren (send) …………………….me an email. 10. My boyfriend (give)……………………. up smoking for 2 months. 11. They (be) ………………………at the pet shop. 12. We (do) …………………….the shopping for our grandmother. 13. You can have that newspaper. I (finish)…………………. with it. 14. There is no more cheese. I (eat)……………………… it all, I’m afraid. 15. The bill isn’t right. They (make)…………………..a mistake. 16. Don’t you want to see this program? It (start)………………………… 17. It’ll soon get warm in here. I (turn) …………………….the heating on. 18. They (pay) ………………………..money for your mother? 19. Someone (take)……………………..my bicycle. 20. Wait for few minutes, please! I (finish)…………………. my dinner. 21.We (not / work)________________ today. 22.I (buy) ________________ a new car. 23.I (not / plan) ________________ my holiday yet. 24. Which country (be / you) ________________ ? 25.She (write) ________________ four letters. 26.He (not / see) ________________ her for a long time. 27.(be / you) ________________ at company? 28.The film (not / start) ________________ 29.(speak / she) ________________ to her boss? 30.No, she (have / not) ________________ the time yet. 31.Loan ________________me an e-mail. (to send) 32.Linh and Ngọc ________________the museum. (to visit) 33.We ________________at the pet shop. (to be) 34.He ________________already ________________his rucksack. (to pack) 35.Tuấn ________________an accident. (to have) 36.I ________________the shopping for my mother. (to do) 37.I ________________just ________________my room. (to clean) 38.Long ________________his room. (to paint) 39.Thư and Tú ________________to a concert. (to go) 40.My boyfriend ________________smoking. (to give up) Bài tập 6: Viết lại câu với thì hiện tại hoàn thành 1. I started cooking for the dinner 2 hours ago. 2. This morning I was expecting a message. Now I have it. 3. Dan didn’t have a beard before. Now he has a beard. 4. The temperature was 22 degrees. Now it is only 15. 5. My English wasn’t very good. Now it is better. 6. Kim is looking for her key. She can’t find it. Bài 7. Viết lại câu sử dụng thì Hiện tại Hoàn thành theo tình huống gợi ý. 1. He is seeking for his notebook. He can’t find it anywhere. (yet) 2. My parents go out 2 hours ago. They are still outside. (yet) 3. I watched this film last week, so now I don’t want to see it. (already) 4. They lived in Hanoi in 1997. Now, they are living there. (since) 5. In the past, he cheated me substantially. Until now, I still remember. (never) 6. They are still doing their homework, so they won’t go outside to play soccer. (until) Bài 8. Viết lại câu sử dụng từ gợi ý. 1. I/meet/father/for/past two weeks//he/just/come/from/business. 2. Recently/there/be/a rumor/about/relationship/Song Joong-ki/Song Hye-kyo. 3. My father/already/read/newspapers/in/last/morning. 4. Since/I/born//hometown/change/substantially//Lately/new bridge/be/under construction. 5. He/just/see/her/party/and/he/know/fall in love/her. Bài 9 tổng hợp các thì khác nhau 1. you / keep a pet for two years 2. you / eat Taiwan food before? 3. it / rain for a long time? 4. who / we / forget to invite? 5. we / not / hear that poem already 6. she / not / forget her books 7. He / steal all the chocolate 8. I / explain it well? 9. who / she / meet recently? 10. how / we / finish already? 11. she / study Latin 12. I / know her for two months 13. where / you / study English? 14. what countries / they / visit in Asia? 15. she / hurt her leg 16. He / leave his phone in a bus 17. I / not / lose my ticket 18. He / call his mother? 19. She / take a taxi? 20. He / go / to the library today

chia sẻ về một cuốn sách mà em yêu thích hoặc một cuốn sách đã làm thay đổi nhận thức của em

Làm giúp em phần c bài này vs ạ

Choose the word whose main stress is placed diffferently from the others ( Giúp em vs ạ)

Các bạn giúp mình bài này với ạ))) mình ảm ơn nhìu

ĐBSHông có nhung đieu kien thuan loi và khó khăn gì đe phát trien san xuat luong thuc