tính số nguyên tử nhôm có trong 5,4g nhôm

ai giup ho mik nhanh voi dc ko a

Bài 1. Rewrite the sentences 1. What about growing these flowers, Lan ? => Let's ..................................... 2. It is not easy to learn music => To learn ............................... 3. She drove her car to work => She went ........................... 4. Nam isn't as clever as Tung => Tung is ................................. 5. The are going to Ha Noi by car => There are ..................................

Viết một đoạn văn ngắn nói về sở thích của bạn em bằng tiếng anh

Giúp mik với mn. Chữ của mình hơi xấu mong mn thông cảm

Quần thể sinh vật là gì? phân tích dấu hiệu chung và dấu hiệu bản chất của quần thể

Put the verb(s) in the brackets in passive voice 1. This area (search)_____________________ by the police at the moment. 2. A bad road accident (report) _____________________ by some witnesses last night. 3. The awards (give) _____________________ to Penelope Cruz. 4. Three million dollars (pay) _____________________ by the advertisers for that advert. 5. Digital TV (invent) _____________________ in the 1960s 6. The criminal (see) _____________________ at the shopping centre in the early morning. 7. 2,000 CDs (sell) _____________________ by the famous singer in one week. 8. The Oscar ceremony (watch) _____________________ by over 2 million people every year. 9. My room (paint) _____________________ right now. 10. When _____________________ your credit card (steal) _____________________? 11. My mother’s hair (cut)__________ at the moment by the hairdresser. 12. A new hospital (visit)_______________ by the Queen yesterday. 13. The room (clean) __________________________ when I arrived. 14. The car (fix)________________ tomorrow when we have time. 15. ___________ the gate (lock) ______________ before 6.30 p.m. tomorrow?

Bạn nào làm nhanh và đúng mình sẽ cho 5 sao ạ

13. The entrance examination will be held ____ July, 27th 2021. A. in B. on C. at D. to 14. ____ she was an hour late, she didn’t apologize. A. In spite of B. Although C. However D. Because 15. They _____ Covid 19 vaccine already. A. have developed B. developed C. will develop D. are developing 16. People should do exercise _____ fit. A. keeping B. for keeping C. to keep D. keep 17. Most parents think chatting on the Internet is _____. A. time-saving B. time-releasing C. time-using D. time-wasting 18. If I were in charge, I _____ things differently. A. had done B. will do C. would do D. would have done 19. “I am going to have an exam at the end of this month.” ~ “______” A. You’re welcome. B. Good luck. C. Good job. D. It’s my pleasure. 20. Would you mind if I ____ a friend to the party? A. would bring B. bring C. will bring D. brought 21. In the 19th century, workers love wearing jeans because they did not _____ easily. A. break off B. tear off C. come out D. wear out 22. I wish you _____ making that noise. It’s bothering me. A. would stop B. will stop C. stop D. can stop 23. These days the weather is too hot for us ______ out at any time during the day. A. going B. to going C. to go D. will go 24. “Excuse me, Is there a bank near here?” ~ “______” A. What a pity. B. Sorry, I am a stranger. C. No, it isn’t. D. Never mind. Giúp mình với ,cân gấp

Fill in the blanks with Past Simple or Past Continuous 1. When the postman (come) _________, I (have) _________________ breakfast. 2. My sister (wash) _________________ dishes while I (work) _________________ in the garden 3. While I (talk) _________________to John, the telephone (ring) _________ 4. When I (leave) _________the house this morning, it (rain) _________________very hard 5. John (talk) _________________to his friends when I (see) _________him 6. I (see) _________a bad accident while I (wait) _________________for you in this corner 7. As we (cross) _________________the street, the policeman (shout) _________at us 8. That tourist (lose) _________his camera while he (walk) _________________around the city 9. She (have) _________________her bath while her sister (get) _________________the breakfast ready 10. Just as I (write) _________the letter, the ink pot (fall) _________over 11. It (snow) _________________when I (get) _________up this morning 12. I (go) _________to ask you to help me, but you (sleep) _________________so peacefully when I (look) _________into your room that I (decide) _________to do it alone 13. Mr. Nam (cook) _________________dinner while his children (play) ________________ in the garden. 14. What _________________(you/do) when I (telephone) _________________ you last night? 15. Tom (go) _________to the post office twice yesterday.