1. Have/ ever/ been /you/ any /to/speaking/ English/ countries? =>_________________________________________________________________________ 2. The Statue /in /of /Liberty/ New York/ monument/ which /freedom /symbolises /is/ a/. =>_________________________________________________________________________ 3. The boss /me /how /asked/ speak/ I/ could/ languages/ many. =>_________________________________________________________________________ 4. When /get /we /everyone /a lot/ talks/ freely/ cheerfully /and/ together/. =>_________________________________________________________________________ 5. Fred/ feels/uncomfortable/ always /everyone/ family/ so /quiet /is /because /in/Ann’s. =>________________________________________________________________________

tìm số tự nhiên a,biết rằng với mọi n thuộc *N ta có a) a mũ n =1 b) a mũ 0 = 0

phân biệt CO2, SO2, HCl bằng pphh

tìm hai số biết số lớn gấp 9 lần số bé và số lớn là số có 3 chữ số với chữ số hàng trăm là 4,đồng thời nếu xóa đi hàng trăm của số lớn thì được số bé

mấy bạn học giỏi giúp minh vs ạ

Chứng minh rằng nếu m là số nguyên tố lớn hơn 3 thì A=3m-1+2020m^2 là hợp số. Giúp mk vs!

Có 600ml dung dịch gồm Na2CO3 và NaHCO3. THêm 5,64g hỗn hợp K2CO3 và KHCO3 vào dung dịch trên thì đượ dung dịch A ( giử sử thể tích dung dịch A vân là 600ml). Chia A thành 3 phần bằng nhau: - Cho rất từ từ 100ml dung dịch HCl vào phần thứ nhất, thu được dung dịch B và 448ml khí(ĐKTC). CHo vào dung dịch B nước vôi trong dư thấy tạo thành 2,5 g kết tủa. - Phần thứ 2 tác dụng vừa đủ với 150ml dung dịch NAOH 0,1M. -Cho khí HBR(dư) đi qua phần thứ 3 sau đó cô cạn thu được 8,125 g muối khan. Tính CM muối khan làm theo cách bảo toàn e ạ E cảm ơn ạ

Help me.60 điểm ạ.Hơi dài nên cứ từ từ ạ. I. Underline the best answer to complete the sentences. 1. We enjoy …………… (swim, swam, swimming) in summer. 2. …………… (Practice, Practicing, To practicing, She practicing) the piano is something Jane always enjoys. 3. Some students hate …………… (do, doing, they doing, to doing) homework. 4. I …………… (dislike, want, would like, refuse) being away from my family. 5. Could you show me the way …………… (to, at, next) the railway station please? 6. Which is the third month of the year? …………… (January, December, March). 7. I admitted …………… (breaking/ to break/ break) the window. 8. (To go shopping/ Going shopping/ go shopping) ……………is one of my habits at weekends. 9. Don’t …………… (make/ making/ to make) noise. The baby is sleeping. 10. We used to spend a lot of time …………… (travel/ to travel/ traveling/ traveled). II: Give the correct forms or tenses of the verbs in the brackets. 1. She usually goes …………… (ski) with her friends in winter. 2. I like coffee, especially white coffee, but I dislike ………………… (make) it. 3. The weather is very nice today. What about ………………… (go) for walk in the park? 4. I enjoy (fish) ...........................because it (be) ...................... relaxing. 5. We find (arrange) .............................. flowers interesting because it (help) .............. us relax. III:Fill in the banks with a suitable PREPOSITION. 1. There’s a good film on TV tonight. I’m really looking forward ………… seeing it. 2. I’m afraid ………… high places. 3. He seemed very bored ………… life. 4. I am tired ………… doing the same things every day. 5. You’re good ………… explaining things. 6. They’re proud ………… their children. 7. He’s not very keen ………… playing football. 8. She is fond ………… cooking. 9. I am interested ………… collecting stamps. 10. She’s quite capable ………… doing the job. 11. We’re getting really excited ………… our holiday. 12. We’re accustomed ………… living here.

vẽ đậu mầm cuteee trên app mún vẽ trên giấy thì pk xin nl cho tui hỏi đít cọt dùng để lm j

2. He cannot afford a new computer. A. The new computer is so expensive that he cannot buy it. B. Therefore, he would buy a new computer. C. So, he would buy a new computer. D. The new computer is so expensive but he can buy it. 3. I first started to play the guitar when I was sixteen. A. I have played the guitar when I was sixteen. B. I have started the guitar when I was sixteen. C. I have started the guitar since I was sixteen. D. I have been playing the guitar since I was sixteen.