Giúp mik câu 7 với Mik cần gấp lắm

Nói với con Chân phải bước tới cha ........ Ngày đầu tiên đẹp nhất trên đời 1. Nội dung chính của khổ trên là gì 2. Phương thức biểu đạt chính là gì

Giải thích nữa nha !!!!!!!!!!!!!

Cho tam giác ABC vuông tại A, AB=5, AC=12.Vẽ AH ⊥ BC tại H. Gọi M là một điểm trên đoạn thẳng AH. Chứng minh rằng: 13 ≤ MB + MC ≤ 17

mn ơi giúp mik vs, 40 điểm nha!!!

Cho 31,2 gam hỗn hợp bột Al và Al2O3 tác dụng với dung dịch NaOH dư thu được 13,44 lít H2 ở đktc.Khối lượng từng chất trong hỗn hợp ban đầu lần lượt là?

E cần gấp lắm, giải chi tiết giúp e nha >.< 1. So sánh phân số sau: a) $\frac{11}{54}$ và $\frac{22}{37}$ b) $\frac{-14}{21}$ và $\frac{60}{72}$ 2. Ba bạn An, Bình, Cường cùng góp kẹo chơi chung một trò chơi. Kết thúc trò chơi, An được $\frac{1}{4}$ số kẹo, Bình được $\frac{13}{28}$ số kẹo và Cường được $\frac{2}{7}$ số kẹo. Hỏi bạn nào được nhiều kẹo nhất? Bạn nào được ít kẹo nhất?

Giải gấp giúp mình với mn{60₫}NV2

trình bày đặc điểm khí hậu và Hải Vân của biển Việt Nam biển đã mang lại những thuận lợi và khó khăn gì

Lam het nha 15' nua nop roi Exercise 1 1. When my father was young, he _____ work in the garden for long hours. a. can b. could c. will d. should 2. He_____ have committed the crime because he was with me that day. a. mustn't b. shouldn't c. won't d. couldn't 3. Since we have to be there by 8.30, we_____ take a taxi. a. had better b. may c. ought d. are able to 4. It_____ rain this evening. Why don't you take an umbrella? a. could be b. must c. might d. had better 5. _____ you help me with the homework? a. May b. Shall c. Should d. Will 6. She hasn't eaten anything since yesterday. She_____ be really hungry. a. might b. will c. must d. can 7. I put my keys on the table, but now it's gone. Someone_____ have taken it. a. may b. had to c. should d. would rather 8. Daisy is reading her English test because she has a test tomorrow. She_____ be studying. a. will b. should c. must d. can 9. We _____ put the fish in the fridge before it spoils. a. had to b. may c. can d. had better 10. Mr. Brown is very rich. He_____ work hard for a living. a. mustn't b. shouldn't c. can't d. doesn't have to 11. Tom has just got a new job. He_____ be very pleased. a. might b. must c. should d. will 12. Tom panted his room black. It looks dark and dreary. He _____ have chosen another colour. a. should b. must c. could d. may 13. _____ you carry this bag for me? a. May b. Should c. Will d. Shall 14. You _____ throw litter on the streets. a. mustn't b. couldn't d. needn't d. won't 15. My mother permitted me to go out at night. She said, "You_____ go out tonight". a. may b. have to c. must d. ought to 16. It is possible that she will come to our party tonight. She come her tonight. a. need b. may c. should d. will 17. They can type. They_____ type. a. lean how to b. are able to c. know how to d. both B &C 18. He advised me to take an English course. I_____ take it early. a. should b. shall c. will d. may 19. I'd rather_____ in the field than_____ home. a. to work/ to stay b. work /stay c. working/ staying d. worked/stayed 20. As an orphan, he _____ earn his living alone. a. have to c. has had to c. ought to d. had to Exercise 2 1. They prayed that their daughter_____ be lucky again. a. may b. will c. could d. might 2. He _____ all that money, so she could save some. a. didn't need to spend b. needn't have spent c. shouldn't spend d. oughtn't to spend 3. He spent all that money last week. He_____ so much. a. didn't need to spend b. shouldn't spend c. needn't have spent d. didn't have to spend 4. He had to work hard so that he _____ his family. a. may support b. supported c. can support d. might support 5. They have plenty of time, so they need not_____ a. be hurry b. to hurry c. hurry d. to be hurry 6. You're having a sore throat. You'd better_____ to the doctor. a. to go b. went c. go d. going 7. I would rather_____ poor but happy than become rich without happiness. a. being b. he c. to be d. was 8. Sit down please _____ a cup of tea? a. Do you like b. Do you like to drink c. Would you like d. Will you like 9. Must you come when your neighbout calls? No, I_____ a. must not b. mustn't c. don't have to d. must not come 10. May I have 2 tickets, please? two tickets, please? a. You must given me b. You have got to give me c. Could I have d. You may give me 11. He will have to stay in hospital. That's what he_____ a. has done b. must do c. must be doing d. must have done 12. Do you have to buy this hat? No, I _____. It isn't necessary. a. mustn't b. won't c. needn't d. don't need 13. A man never have too many ties. It's ______ a. unable b. impossible c. improbable d. incapable 14. It could not tell the difference between Indian music and jazz. a. might not b. may not c. mustn't d. wasn't able to 15. This plane could get over the mountain if it rose to 10,000 feet. This means it______ over the mountains. a. would succeed in getting b. got c. was bale to get d. had got 16. The plane was then able to rise. This means it______ a. could rise b. might rise c. might succeed in rising d. rose 17. Byrd knew that he would be able to reach the South Pole. It would be______. a. impossible b. necessary c. able d. possible 18. He ought not______ him but she did. a. to tell b. to telling c. tell d. to have told 19. I’d rather you______ that. a. do b. don't do c. won't do d. didn't do 20. ______ run so fast? a. Does he need b. Need he to c. Need he d. Needs he