IV. Hoàn thành những câu dưới đây theo các động từ: might, might not, must, mustn’t, can, can’t. 1. Don’t stand up in the boat! You …………………. fall in the river! 2. You really …………………. start spending more time on your work. 3. That’s a really stupid idea! You …………………. be serious, surely! 4. Don’t be silly. You …………………. expect me to believe you! 5. I learn to fly! You …………………. be joking! 6. Sue says she’s stuck in traffic and she …………………. be late. 7. Tell Peter he. …………………. stay the night here if he wants to. 8. You …………………. realize it, but this is very important to me. 9. We’re not sure but we …………………. go to Prague for Christmas this year. 10. Bill cooked the lunch, so you …………………. expect anything special!

Cho 10,1 gam hỗn hợp hai muối A2CO3 và B2CO3 vào lượng dư dung dịch HCl, toàn bộ khí thoát ra được hấp thụ hoàn toàn vào 200 ml dung dịch Ba(OH)2 1M thu được 19,7 gam kết tủa. Xác định CT của các muối trên.

Các bạn giải hộ mình hạn 7 phút ( mấy bạn nhóm block magic không trả lời)

Giúp em 5 câu này với ạ. Vote 5sao

Cho 4,48 gam kim loại A tác dụng với dd HCl 20% tạo ra 10,16 gam muối. Tìm tên kim

II. Rewrite the sentence in the same meaning: 26) Perhaps Susan know the address. (may) Susan ........................................................................................................ 27) It's possible that Joanna didn't receive my message. (might) Joanna ...................................................................................................... 28) The report must be on my desk tomorrow. (has) The report ................................................................................................. 29) I managed to finish all my work. (able) I ................................................................................................................ 30) It was not necessary for Nancy to clean the flat. (didn't) Nancy ...................................................................................................... 31) The best thing for you to do is to sit down sit down. (better) You ..........................................................................................................

E.X.2: Viet them tu vao cho trong de hoan thien cau 1, I am very thirsty .................................. I don' t have any money to by drinks. 2, It' s late ................................ I'm still wide awake 3, We live in a small house ...................................... we like much 4, My friend looks weak ........................................ he' s really strong 5, The entrance test is very difficult ......................... I hope I will pass it............................ 6, You go home now .................................... your mother will punish you for staying out too late 7, fruits taste good .................................... they are healthy for your boby. 8, I like small dogs .................................... I hate big ones. 9, my brother is having the flu .......................... I think he won't be absent from school today 10, our project is successful............................ all of us are happy about it.................................. E.X.3: VIET LAI CAU 1, It takes a lot of time to cure this disease. you need to be extremely patient 2, Anne is a gorgeous girl. she has pleasant petsonality 3, It is raining hard. We postpone our boat ship 4, he dreams of being the best student. He never studies hard 5, My bicycle is broken. I have to take the bus to school

giải phương trình .mn giúp em vs ạ

Giải giúp mình vớiiii câu 3 chỉ viết 10 câu thui

- Công thức so hơn: + than + as