11. Tom ________a good way in this company. A. might pay B. should be pay C. might be paid D. might been paid 12. Milk ________ in the fridge or it will go sour. A. must keep B. must kept C. must be keep D. must be kept 13. The door ________ before you go out. A. must be locked B. must lock C. must locked D. must been locked 14. School rules________ by students. A. ought be followed B. ought to follow C. ought to followed D. ought to be followed 15. Women with high qualifications ________ to managers. A. must promote B. must be promoted C. must move D. must be moved 16. ________ dealt with differences between women and men? A. May the issues be B. Be the issues may C. Been the issues may D. The issues may be 17. Both men and women________ in our school. A. would educate B. would be educated C. would been educate D. would educated 18. ________I help you? A. Can B. Should C. Mustn’t C. Have to 19. If you travel to the USA, you ________ have a visa. A. can B. should C. must D. will 20. Girls ________be kept at home to do housework. A. should B. may not C. shouldn’t D. must

tìm x thuộc Z sao cho:(x+1).(3-x)=0

Mọi người giải chi tiết giúp tôi với

Làm giùm mình bài 14 ai làm mình cho Tim

một tấm bìa hình vuông có diện tích 640m vuông. Tính chu vi tấm bìa đó?

(nêu nghệ thuật từng khổ thơ và cả bài) lượm và đêm nay bác không ngủ

Mọi người giải chi tiết giúp tôi với

1. The flowers in the park ________. A. can’t be picked B. can’t picked C. can’t been picked D. can’t pick 2. Tom told lies again. I knew he________. A. can trust B. couldn’t be trusted C. can’t be trusted D. could trust 3. In mountainous areas, girls ________ to get married at a very young age. A. might be forced B. will be forced C. must be forced D. should be forced 4. My aunt sent me a beautiful picture. I ought ________ her a letter of thanks. A. to send B. sending C. sent D. send 5. Men and women ________ equal rights to education and employment. A. should give B. should be given C. would give D. would be given 6. Tom asked the receptionist if he ________ use the phone. A. can B. could C. may D. will 7. True gender equality ________ when both men and women reach a balance between work and family. A. can achieve B. should be achieved C. can be achieved D. should achieve 8. Child marriage ________ in several parts of the world because it limits access to education and training. A. must be stopped B. must stop C. will be stopped D. can be stop 9. Discrimination on the basis of gender ________ from workplaces. A. should be removed B. must be removed C. can be removed D. will be removed 10. I think everyone ________ with equal access to health services. A. should been provided B. should provide C. should provided D. should be provided

Mọi người giúp mình câu 3 với ạ! Thanks

a. Để đốt cháy hoàn toàn 12,8 gam kim loại đồng cần phải dùng bao nhiêu lít khí oxi (đktc)? b. Để có lượng oxi trên cần phân huỷ bao nhiêu gam KClO3? c. Chỉ ra sự oxi hoá, phản ứng hoá hợp, phản ứng phân huỷ trong các PTHH có ở trên.